spectrwm.c

   1 /*
   2  * Copyright (c) 2009-2012 Marco Peereboom <marco@peereboom.us>
   3  * Copyright (c) 2009-2011 Ryan McBride <mcbride@countersiege.com>
   4  * Copyright (c) 2009 Darrin Chandler <dwchandler@stilyagin.com>
   5  * Copyright (c) 2009 Pierre-Yves Ritschard <pyr@spootnik.org>
   6  * Copyright (c) 2010 Tuukka Kataja <stuge@xor.fi>
   7  * Copyright (c) 2011 Jason L. Wright <jason@thought.net>
   8  * Copyright (c) 2011-2013 Reginald Kennedy <rk@rejii.com>
   9  * Copyright (c) 2011-2012 Lawrence Teo <lteo@lteo.net>
  10  * Copyright (c) 2011-2012 Tiago Cunha <tcunha@gmx.com>
  11  * Copyright (c) 2012-2013 David Hill <dhill@mindcry.org>
  12  *
  13  * Permission to use, copy, modify, and distribute this software for any
  14  * purpose with or without fee is hereby granted, provided that the above
  15  * copyright notice and this permission notice appear in all copies.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24  */
  25 /*
  26  * Much code and ideas taken from dwm under the following license:
  27  * MIT/X Consortium License
  28  *
  29  * 2006-2008 Anselm R Garbe <garbeam at gmail dot com>
  30  * 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
  31  * 2006-2007 Jukka Salmi <jukka at salmi dot ch>
  32  * 2007 Premysl Hruby <dfenze at gmail dot com>
  33  * 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
  34  * 2007 Christof Musik <christof at sendfax dot de>
  35  * 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
  36  * 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
  37  * 2008 Martin Hurton <martin dot hurton at gmail dot com>
  38  *
  39  * Permission is hereby granted, free of charge, to any person obtaining a
  40  * copy of this software and associated documentation files (the "Software"),
  41  * to deal in the Software without restriction, including without limitation
  42  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  43  * and/or sell copies of the Software, and to permit persons to whom the
  44  * Software is furnished to do so, subject to the following conditions:
  45  *
  46  * The above copyright notice and this permission notice shall be included in
  47  * all copies or substantial portions of the Software.
  48  *
  49  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  50  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  52  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  53  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  54  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  55  * DEALINGS IN THE SOFTWARE.
  56  */
  57
  58 /* kernel includes */
  59 #include <sys/types.h>
  60 #include <sys/time.h>
  61 #include <sys/stat.h>
  62 #include <sys/wait.h>
  63 #include <sys/queue.h>
  64 #include <sys/param.h>
  65 #include <sys/select.h>
  66 #if defined(__linux__)
  67 #include "tree.h"
  68 #elif defined(__OpenBSD__)
  69 #include <sys/tree.h>
  70 #elif defined(__FreeBSD__)
  71 #include <sys/tree.h>
  72 #else
  73 #include "tree.h"
  74 #endif
  75
  76 /* /usr/includes */
  77 #include <ctype.h>
  78 #include <err.h>
  79 #include <errno.h>
  80 #include <fcntl.h>
  81 #include <locale.h>
  82 #include <paths.h>
  83 #include <pwd.h>
  84 #include <signal.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <time.h>
  89 #include <unistd.h>
  90 #include <util.h>
  91 #include <X11/cursorfont.h>
  92 #include <X11/extensions/Xrandr.h>
  93 #include <X11/Xcursor/Xcursor.h>
  94 #include <X11/Xft/Xft.h>
  95 #include <X11/Xlib-xcb.h>
  96 #include <xcb/xcb_atom.h>
  97 #include <xcb/xcb_aux.h>
  98 #include <xcb/xcb_event.h>
  99 #include <xcb/xcb_icccm.h>
 100 #include <xcb/xcb_keysyms.h>
 101 #include <xcb/xtest.h>
 102 #include <xcb/randr.h>
 103
 104 /* local includes */
 105 #include "version.h"
 106 #ifdef __OSX__
 107 #include <osx.h>
 108 #endif
 109
 110 #ifdef SPECTRWM_BUILDSTR
 111 static const char       *buildstr = SPECTRWM_BUILDSTR;
 112 #else
 113 static const char       *buildstr = SPECTRWM_VERSION;
 114 #endif
 115
 116 #if !defined(__CYGWIN__) /* cygwin chokes on xrandr stuff */
 117 #  if RANDR_MAJOR < 1
 118 #    error XRandR versions less than 1.0 are not supported
 119 #endif
 120
 121 #  if RANDR_MAJOR >= 1
 122 #    if RANDR_MINOR >= 2
 123 #      define SWM_XRR_HAS_CRTC
 124 #    endif
 125 #  endif
 126 #endif /* __CYGWIN__ */
 127
 128 #ifndef XCB_ICCCM_NUM_WM_HINTS_ELEMENTS
 129 #define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE          XCB_SIZE_HINT_P_MIN_SIZE
 130 #define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE          XCB_SIZE_HINT_P_MAX_SIZE
 131 #define XCB_ICCCM_SIZE_HINT_P_RESIZE_INC        XCB_SIZE_HINT_P_RESIZE_INC
 132 #define XCB_ICCCM_WM_HINT_INPUT                 XCB_WM_HINT_INPUT
 133 #define XCB_ICCCM_WM_HINT_X_URGENCY             XCB_WM_HINT_X_URGENCY
 134 #define XCB_ICCCM_WM_STATE_ICONIC               XCB_WM_STATE_ICONIC
 135 #define XCB_ICCCM_WM_STATE_WITHDRAWN            XCB_WM_STATE_WITHDRAWN
 136 #define XCB_ICCCM_WM_STATE_NORMAL               XCB_WM_STATE_NORMAL
 137 #define xcb_icccm_get_text_property_reply_t     xcb_get_text_property_reply_t
 138 #define xcb_icccm_get_text_property_reply_wipe  xcb_get_text_property_reply_wipe
 139 #define xcb_icccm_get_wm_class                  xcb_get_wm_class
 140 #define xcb_icccm_get_wm_class_reply            xcb_get_wm_class_reply
 141 #define xcb_icccm_get_wm_class_reply_t          xcb_get_wm_class_reply_t
 142 #define xcb_icccm_get_wm_class_reply_wipe       xcb_get_wm_class_reply_wipe
 143 #define xcb_icccm_get_wm_hints                  xcb_get_wm_hints
 144 #define xcb_icccm_wm_hints_get_urgency          xcb_wm_hints_get_urgency
 145 #define xcb_icccm_get_wm_hints_reply            xcb_get_wm_hints_reply
 146 #define xcb_icccm_get_wm_name                   xcb_get_wm_name
 147 #define xcb_icccm_get_wm_name_reply             xcb_get_wm_name_reply
 148 #define xcb_icccm_get_wm_normal_hints           xcb_get_wm_normal_hints
 149 #define xcb_icccm_get_wm_normal_hints_reply     xcb_get_wm_normal_hints_reply
 150 #define xcb_icccm_get_wm_protocols              xcb_get_wm_protocols
 151 #define xcb_icccm_get_wm_protocols_reply        xcb_get_wm_protocols_reply
 152 #define xcb_icccm_get_wm_protocols_reply_t      xcb_get_wm_protocols_reply_t
 153 #define xcb_icccm_get_wm_protocols_reply_wipe   xcb_get_wm_protocols_reply_wipe
 154 #define xcb_icccm_get_wm_transient_for          xcb_get_wm_transient_for
 155 #define xcb_icccm_get_wm_transient_for_reply    xcb_get_wm_transient_for_reply
 156 #define xcb_icccm_wm_hints_t                    xcb_wm_hints_t
 157 #endif
 158
 159 /*#define SWM_DEBUG*/
 160 #ifdef SWM_DEBUG
 161 #define DPRINTF(x...) do {                                                      \
 162         if (swm_debug)                                                          \
 163                 fprintf(stderr, x);                                             \
 164 } while (0)
 165 #define DNPRINTF(n,x...) do {                                                   \
 166         if (swm_debug & n) {                                                    \
 167                 fprintf(stderr, "%ld ", (long)(time(NULL) - time_started));     \
 168                 fprintf(stderr, x);                                             \
 169         }                                                                       \
 170 } while (0)
 171 #define SWM_D_MISC              0x0001
 172 #define SWM_D_EVENT             0x0002
 173 #define SWM_D_WS                0x0004
 174 #define SWM_D_FOCUS             0x0008
 175 #define SWM_D_MOVE              0x0010
 176 #define SWM_D_STACK             0x0020
 177 #define SWM_D_MOUSE             0x0040
 178 #define SWM_D_PROP              0x0080
 179 #define SWM_D_CLASS             0x0100
 180 #define SWM_D_KEY               0x0200
 181 #define SWM_D_QUIRK             0x0400
 182 #define SWM_D_SPAWN             0x0800
 183 #define SWM_D_EVENTQ            0x1000
 184 #define SWM_D_CONF              0x2000
 185 #define SWM_D_BAR               0x4000
 186 #define SWM_D_INIT              0x8000
 187
 188 u_int32_t               swm_debug = 0
 189                             | SWM_D_MISC
 190                             | SWM_D_EVENT
 191                             | SWM_D_WS
 192                             | SWM_D_FOCUS
 193                             | SWM_D_MOVE
 194                             | SWM_D_STACK
 195                             | SWM_D_MOUSE
 196                             | SWM_D_PROP
 197                             | SWM_D_CLASS
 198                             | SWM_D_KEY
 199                             | SWM_D_QUIRK
 200                             | SWM_D_SPAWN
 201                             | SWM_D_EVENTQ
 202                             | SWM_D_CONF
 203                             | SWM_D_BAR
 204                             | SWM_D_INIT
 205                             ;
 206 #else
 207 #define DPRINTF(x...)
 208 #define DNPRINTF(n,x...)
 209 #endif
 210
 211 /* convert 8-bit to 16-bit */
 212 #define RGB_8_TO_16(col)        ((col) << 8) + (col)
 213
 214 #define PIXEL_TO_XRENDERCOLOR(px, xrc)                                  \
 215         xrc.red = RGB_8_TO_16((px) >> 16 & 0xff);                       \
 216         xrc.green = RGB_8_TO_16((px) >> 8 & 0xff);                      \
 217         xrc.blue = RGB_8_TO_16((px) & 0xff);                            \
 218         xrc.alpha = 0xffff;
 219
 220 #define LENGTH(x)               (int)(sizeof (x) / sizeof (x)[0])
 221 #define MODKEY                  XCB_MOD_MASK_1
 222 #define CLEANMASK(mask)         ((mask) & ~(numlockmask | XCB_MOD_MASK_LOCK))
 223 #define BUTTONMASK              (XCB_EVENT_MASK_BUTTON_PRESS |          \
 224     XCB_EVENT_MASK_BUTTON_RELEASE)
 225 #define MOUSEMASK               (BUTTONMASK|XCB_EVENT_MASK_POINTER_MOTION)
 226 #define SWM_PROPLEN             (16)
 227 #define SWM_FUNCNAME_LEN        (32)
 228 #define SWM_KEYS_LEN            (255)
 229 #define SWM_QUIRK_LEN           (64)
 230 #define X(r)                    (r)->g.x
 231 #define Y(r)                    (r)->g.y
 232 #define WIDTH(r)                (r)->g.w
 233 #define HEIGHT(r)               (r)->g.h
 234 #define BORDER(w)               ((w)->bordered ? border_width : 0)
 235 #define MAX_X(r)                ((r)->g.x + (r)->g.w)
 236 #define MAX_Y(r)                ((r)->g.y + (r)->g.h)
 237 #define SH_MIN(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
 238 #define SH_MIN_W(w)             (w)->sh.min_width
 239 #define SH_MIN_H(w)             (w)->sh.min_height
 240 #define SH_MAX(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
 241 #define SH_MAX_W(w)             (w)->sh.max_width
 242 #define SH_MAX_H(w)             (w)->sh.max_height
 243 #define SH_INC(w)               (w)->sh.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC
 244 #define SH_INC_W(w)             (w)->sh.width_inc
 245 #define SH_INC_H(w)             (w)->sh.height_inc
 246 #define SWM_MAX_FONT_STEPS      (3)
 247 #define WINID(w)                ((w) ? (w)->id : XCB_WINDOW_NONE)
 248 #define WS_FOCUSED(ws)          ((ws)->r && (ws)->r->s->r_focus == (ws)->r)
 249 #define YESNO(x)                ((x) ? "yes" : "no")
 250
 251 /* Constrain Window flags */
 252 #define SWM_CW_RESIZABLE        (0x01)
 253 #define SWM_CW_SOFTBOUNDARY     (0x02)
 254 #define SWM_CW_HARDBOUNDARY     (0x04)
 255 #define SWM_CW_RIGHT            (0x10)
 256 #define SWM_CW_LEFT             (0x20)
 257 #define SWM_CW_BOTTOM           (0x40)
 258 #define SWM_CW_TOP              (0x80)
 259 #define SWM_CW_ALLSIDES         (0xf0)
 260
 261 #define SWM_FOCUS_DEFAULT       (0)
 262 #define SWM_FOCUS_FOLLOW        (1)
 263 #define SWM_FOCUS_MANUAL        (2)
 264
 265 #define SWM_CK_NONE             0
 266 #define SWM_CK_ALL              0xf
 267 #define SWM_CK_FOCUS            0x1
 268 #define SWM_CK_POINTER          0x2
 269 #define SWM_CK_FALLBACK         0x4
 270 #define SWM_CK_REGION           0x8
 271
 272 #define SWM_CONF_DEFAULT        (0)
 273 #define SWM_CONF_KEYMAPPING     (1)
 274
 275 #ifndef SWM_LIB
 276 #define SWM_LIB                 "/usr/local/lib/libswmhack.so"
 277 #endif
 278
 279 char                    **start_argv;
 280 xcb_atom_t              a_state;
 281 xcb_atom_t              a_prot;
 282 xcb_atom_t              a_delete;
 283 xcb_atom_t              a_takefocus;
 284 xcb_atom_t              a_utf8_string;
 285 xcb_atom_t              a_swm_iconic;
 286 xcb_atom_t              a_swm_ws;
 287 volatile sig_atomic_t   running = 1;
 288 volatile sig_atomic_t   restart_wm = 0;
 289 xcb_timestamp_t         last_event_time = 0;
 290 int                     outputs = 0;
 291 int                     other_wm;
 292 int                     xrandr_support;
 293 int                     xrandr_eventbase;
 294 unsigned int            numlockmask = 0;
 295
 296 Display                 *display;
 297 xcb_connection_t        *conn;
 298 xcb_key_symbols_t       *syms;
 299
 300 int                     boundary_width = 50;
 301 int                     cycle_empty = 0;
 302 int                     cycle_visible = 0;
 303 int                     term_width = 0;
 304 int                     font_adjusted = 0;
 305 unsigned int            mod_key = MODKEY;
 306
 307 /* dmenu search */
 308 struct swm_region       *search_r;
 309 int                     select_list_pipe[2];
 310 int                     select_resp_pipe[2];
 311 pid_t                   searchpid;
 312 volatile sig_atomic_t   search_resp;
 313 int                     search_resp_action;
 314
 315 struct search_window {
 316         TAILQ_ENTRY(search_window)      entry;
 317         int                             idx;
 318         struct ws_win                   *win;
 319         xcb_gcontext_t                  gc;
 320         xcb_window_t                    indicator;
 321 };
 322 TAILQ_HEAD(search_winlist, search_window);
 323 struct search_winlist                   search_wl;
 324
 325 /* search actions */
 326 enum {
 327         SWM_SEARCH_NONE,
 328         SWM_SEARCH_UNICONIFY,
 329         SWM_SEARCH_NAME_WORKSPACE,
 330         SWM_SEARCH_SEARCH_WORKSPACE,
 331         SWM_SEARCH_SEARCH_WINDOW
 332 };
 333
 334 #define SWM_STACK_TOP           (0)
 335 #define SWM_STACK_BOTTOM        (1)
 336 #define SWM_STACK_ABOVE         (2)
 337 #define SWM_STACK_BELOW         (3)
 338
 339 /* dialog windows */
 340 double                  dialog_ratio = 0.6;
 341 /* status bar */
 342 #define SWM_BAR_MAX             (256)
 343 #define SWM_BAR_JUSTIFY_LEFT    (0)
 344 #define SWM_BAR_JUSTIFY_CENTER  (1)
 345 #define SWM_BAR_JUSTIFY_RIGHT   (2)
 346 #define SWM_BAR_OFFSET          (4)
 347 #define SWM_BAR_FONTS           "-*-terminus-medium-*-*-*-12-*-*-*-*-*-*-*," \
 348                                 "-*-profont-*-*-*-*-12-*-*-*-*-*-*-*,"      \
 349                                 "-*-times-medium-r-*-*-12-*-*-*-*-*-*-*,"    \
 350                                 "-misc-fixed-medium-r-*-*-12-*-*-*-*-*-*-*,"  \
 351                                 "-*-*-*-r-*-*-*-*-*-*-*-*-*-*"
 352
 353 #ifdef X_HAVE_UTF8_STRING
 354 #define DRAWSTRING(x...)        Xutf8DrawString(x)
 355 #else
 356 #define DRAWSTRING(x...)        XmbDrawString(x)
 357 #endif
 358
 359 char            *bar_argv[] = { NULL, NULL };
 360 int              bar_pipe[2];
 361 char             bar_ext[SWM_BAR_MAX];
 362 char             bar_ext_buf[SWM_BAR_MAX];
 363 char             bar_vertext[SWM_BAR_MAX];
 364 int              bar_version = 0;
 365 int              bar_enabled = 1;
 366 int              bar_border_width = 1;
 367 int              bar_at_bottom = 0;
 368 int              bar_extra = 0;
 369 int              bar_verbose = 1;
 370 int              bar_height = 0;
 371 int              bar_justify = SWM_BAR_JUSTIFY_LEFT;
 372 char             *bar_format = NULL;
 373 int              stack_enabled = 1;
 374 int              clock_enabled = 1;
 375 int              urgent_enabled = 0;
 376 char            *clock_format = NULL;
 377 int              title_name_enabled = 0;
 378 int              title_class_enabled = 0;
 379 int              window_name_enabled = 0;
 380 int              focus_mode = SWM_FOCUS_DEFAULT;
 381 int              focus_close = SWM_STACK_BELOW;
 382 int              focus_close_wrap = 1;
 383 int              focus_default = SWM_STACK_TOP;
 384 int              spawn_position = SWM_STACK_TOP;
 385 int              disable_border = 0;
 386 int              border_width = 1;
 387 int              region_padding = 0;
 388 int              tile_gap = 0;
 389 int              verbose_layout = 0;
 390 time_t           time_started;
 391 pid_t            bar_pid;
 392 XFontSet         bar_fs;
 393 XFontSetExtents *bar_fs_extents;
 394 XftFont         *bar_font;
 395 int              bar_font_legacy = 1;
 396 char            *bar_fonts;
 397 XftColor         bar_font_color;
 398 struct passwd   *pwd;
 399 char            *startup_exception;
 400 unsigned int     nr_exceptions = 0;
 401
 402 /* layout manager data */
 403 struct swm_geometry {
 404         int                     x;
 405         int                     y;
 406         int                     w;
 407         int                     h;
 408 };
 409
 410 struct swm_screen;
 411 struct workspace;
 412
 413 struct swm_bar {
 414         xcb_window_t            id;
 415         xcb_pixmap_t            buffer;
 416         struct swm_geometry     g;
 417 };
 418
 419 /* virtual "screens" */
 420 struct swm_region {
 421         TAILQ_ENTRY(swm_region) entry;
 422         xcb_window_t            id;
 423         struct swm_geometry     g;
 424         struct workspace        *ws;    /* current workspace on this region */
 425         struct workspace        *ws_prior; /* prior workspace on this region */
 426         struct swm_screen       *s;     /* screen idx */
 427         struct swm_bar          *bar;
 428 };
 429 TAILQ_HEAD(swm_region_list, swm_region);
 430
 431 struct ws_win {
 432         TAILQ_ENTRY(ws_win)     entry;
 433         xcb_window_t            id;
 434         xcb_window_t            transient;
 435         struct ws_win           *focus_child;   /* focus on child transient */
 436         struct swm_geometry     g;              /* current geometry */
 437         struct swm_geometry     g_float;        /* region coordinates */
 438         int                     g_floatvalid;   /* g_float geometry validity */
 439         int                     floatmaxed;     /* whether maxed by max_stack */
 440         int                     floating;
 441         int                     manual;
 442         int32_t                 mapped;
 443         int32_t                 iconic;
 444         int                     bordered;
 445         unsigned int            ewmh_flags;
 446         int                     font_size_boundary[SWM_MAX_FONT_STEPS];
 447         int                     font_steps;
 448         int                     last_inc;
 449         int                     can_delete;
 450         int                     take_focus;
 451         int                     java;
 452         unsigned long           quirks;
 453         struct workspace        *ws;    /* always valid */
 454         struct swm_screen       *s;     /* always valid, never changes */
 455         xcb_size_hints_t        sh;
 456         xcb_icccm_get_wm_class_reply_t  ch;
 457         xcb_icccm_wm_hints_t    hints;
 458 };
 459 TAILQ_HEAD(ws_win_list, ws_win);
 460
 461 /* pid goo */
 462 struct pid_e {
 463         TAILQ_ENTRY(pid_e)      entry;
 464         pid_t                   pid;
 465         int                     ws;
 466 };
 467 TAILQ_HEAD(pid_list, pid_e);
 468 struct pid_list                 pidlist = TAILQ_HEAD_INITIALIZER(pidlist);
 469
 470 /* layout handlers */
 471 void    stack(void);
 472 void    vertical_config(struct workspace *, int);
 473 void    vertical_stack(struct workspace *, struct swm_geometry *);
 474 void    horizontal_config(struct workspace *, int);
 475 void    horizontal_stack(struct workspace *, struct swm_geometry *);
 476 void    max_stack(struct workspace *, struct swm_geometry *);
 477 void    plain_stacker(struct workspace *);
 478 void    fancy_stacker(struct workspace *);
 479
 480 struct layout {
 481         void            (*l_stack)(struct workspace *, struct swm_geometry *);
 482         void            (*l_config)(struct workspace *, int);
 483         u_int32_t       flags;
 484 #define SWM_L_FOCUSPREV         (1<<0)
 485 #define SWM_L_MAPONFOCUS        (1<<1)
 486         void            (*l_string)(struct workspace *);
 487 } layouts[] =  {
 488         /* stack,               configure */
 489         { vertical_stack,       vertical_config,        0,      plain_stacker },
 490         { horizontal_stack,     horizontal_config,      0,      plain_stacker },
 491         { max_stack,            NULL,
 492           SWM_L_MAPONFOCUS | SWM_L_FOCUSPREV,                   plain_stacker },
 493         { NULL,                 NULL,                   0,      NULL  },
 494 };
 495
 496 /* position of max_stack mode in the layouts array, index into layouts! */
 497 #define SWM_V_STACK             (0)
 498 #define SWM_H_STACK             (1)
 499 #define SWM_MAX_STACK           (2)
 500
 501 #define SWM_H_SLICE             (32)
 502 #define SWM_V_SLICE             (32)
 503
 504 /* define work spaces */
 505 struct workspace {
 506         int                     idx;            /* workspace index */
 507         char                    *name;          /* workspace name */
 508         int                     always_raise;   /* raise windows on focus */
 509         int                     bar_enabled;    /* bar visibility */
 510         struct layout           *cur_layout;    /* current layout handlers */
 511         struct ws_win           *focus;         /* may be NULL */
 512         struct ws_win           *focus_prev;    /* may be NULL */
 513         struct ws_win           *focus_pending; /* may be NULL */
 514         struct swm_region       *r;             /* may be NULL */
 515         struct swm_region       *old_r;         /* may be NULL */
 516         struct ws_win_list      winlist;        /* list of windows in ws */
 517         struct ws_win_list      unmanagedlist;  /* list of dead windows in ws */
 518         char                    stacker[10];    /* display stacker and layout */
 519
 520         /* stacker state */
 521         struct {
 522                                 int horizontal_msize;
 523                                 int horizontal_mwin;
 524                                 int horizontal_stacks;
 525                                 int horizontal_flip;
 526                                 int vertical_msize;
 527                                 int vertical_mwin;
 528                                 int vertical_stacks;
 529                                 int vertical_flip;
 530         } l_state;
 531 };
 532
 533 enum {
 534         SWM_S_COLOR_BAR,
 535         SWM_S_COLOR_BAR_BORDER,
 536         SWM_S_COLOR_BAR_BORDER_UNFOCUS,
 537         SWM_S_COLOR_BAR_FONT,
 538         SWM_S_COLOR_FOCUS,
 539         SWM_S_COLOR_UNFOCUS,
 540         SWM_S_COLOR_MAX
 541 };
 542
 543 /* physical screen mapping */
 544 #define SWM_WS_MAX              (22)    /* hard limit */
 545 int             workspace_limit = 10;   /* soft limit */
 546
 547 struct swm_screen {
 548         int                     idx;    /* screen index */
 549         struct swm_region_list  rl;     /* list of regions on this screen */
 550         struct swm_region_list  orl;    /* list of old regions */
 551         xcb_window_t            root;
 552         struct workspace        ws[SWM_WS_MAX];
 553         struct swm_region       *r_focus;
 554
 555         /* colors */
 556         struct {
 557                 uint32_t        pixel;
 558                 char            *name;
 559         } c[SWM_S_COLOR_MAX];
 560
 561         xcb_gcontext_t          bar_gc;
 562         GC                      bar_gc_legacy;
 563 };
 564 struct swm_screen       *screens;
 565
 566 /* args to functions */
 567 union arg {
 568         int                     id;
 569 #define SWM_ARG_ID_FOCUSNEXT    (0)
 570 #define SWM_ARG_ID_FOCUSPREV    (1)
 571 #define SWM_ARG_ID_FOCUSMAIN    (2)
 572 #define SWM_ARG_ID_FOCUSURGENT  (3)
 573 #define SWM_ARG_ID_SWAPNEXT     (10)
 574 #define SWM_ARG_ID_SWAPPREV     (11)
 575 #define SWM_ARG_ID_SWAPMAIN     (12)
 576 #define SWM_ARG_ID_MOVELAST     (13)
 577 #define SWM_ARG_ID_MASTERSHRINK (20)
 578 #define SWM_ARG_ID_MASTERGROW   (21)
 579 #define SWM_ARG_ID_MASTERADD    (22)
 580 #define SWM_ARG_ID_MASTERDEL    (23)
 581 #define SWM_ARG_ID_FLIPLAYOUT   (24)
 582 #define SWM_ARG_ID_STACKRESET   (30)
 583 #define SWM_ARG_ID_STACKINIT    (31)
 584 #define SWM_ARG_ID_CYCLEWS_UP   (40)
 585 #define SWM_ARG_ID_CYCLEWS_DOWN (41)
 586 #define SWM_ARG_ID_CYCLERG_UP   (42)
 587 #define SWM_ARG_ID_CYCLERG_DOWN (43)
 588 #define SWM_ARG_ID_CYCLEWS_UP_ALL       (44)
 589 #define SWM_ARG_ID_CYCLEWS_DOWN_ALL     (45)
 590 #define SWM_ARG_ID_CYCLEWS_MOVE_UP      (46)
 591 #define SWM_ARG_ID_CYCLEWS_MOVE_DOWN    (47)
 592 #define SWM_ARG_ID_STACKINC     (50)
 593 #define SWM_ARG_ID_STACKDEC     (51)
 594 #define SWM_ARG_ID_SS_ALL       (60)
 595 #define SWM_ARG_ID_SS_WINDOW    (61)
 596 #define SWM_ARG_ID_DONTCENTER   (70)
 597 #define SWM_ARG_ID_CENTER       (71)
 598 #define SWM_ARG_ID_KILLWINDOW   (80)
 599 #define SWM_ARG_ID_DELETEWINDOW (81)
 600 #define SWM_ARG_ID_WIDTHGROW    (90)
 601 #define SWM_ARG_ID_WIDTHSHRINK  (91)
 602 #define SWM_ARG_ID_HEIGHTGROW   (92)
 603 #define SWM_ARG_ID_HEIGHTSHRINK (93)
 604 #define SWM_ARG_ID_MOVEUP       (100)
 605 #define SWM_ARG_ID_MOVEDOWN     (101)
 606 #define SWM_ARG_ID_MOVELEFT     (102)
 607 #define SWM_ARG_ID_MOVERIGHT    (103)
 608 #define SWM_ARG_ID_BAR_TOGGLE   (110)
 609 #define SWM_ARG_ID_BAR_TOGGLE_WS        (111)
 610         char                    **argv;
 611 };
 612
 613 /* quirks */
 614 struct quirk {
 615         TAILQ_ENTRY(quirk)      entry;
 616         char                    *class;
 617         char                    *name;
 618         unsigned long           quirk;
 619 #define SWM_Q_FLOAT             (1<<0)  /* float this window */
 620 #define SWM_Q_TRANSSZ           (1<<1)  /* transiend window size too small */
 621 #define SWM_Q_ANYWHERE          (1<<2)  /* don't position this window */
 622 #define SWM_Q_XTERM_FONTADJ     (1<<3)  /* adjust xterm fonts when resizing */
 623 #define SWM_Q_FULLSCREEN        (1<<4)  /* remove border */
 624 #define SWM_Q_FOCUSPREV         (1<<5)  /* focus on caller */
 625 #define SWM_Q_NOFOCUSONMAP      (1<<6)  /* Don't focus on window when mapped. */
 626 #define SWM_Q_FOCUSONMAP_SINGLE (1<<7)  /* Only focus if single win of type. */
 627 };
 628 TAILQ_HEAD(quirk_list, quirk);
 629 struct quirk_list               quirks = TAILQ_HEAD_INITIALIZER(quirks);
 630
 631 /*
 632  * Supported EWMH hints should be added to
 633  * both the enum and the ewmh array
 634  */
 635 enum {
 636         _NET_ACTIVE_WINDOW,
 637         _NET_CLOSE_WINDOW,
 638         _NET_MOVERESIZE_WINDOW,
 639         _NET_WM_ACTION_ABOVE,
 640         _NET_WM_ACTION_CLOSE,
 641         _NET_WM_ACTION_FULLSCREEN,
 642         _NET_WM_ACTION_MOVE,
 643         _NET_WM_ACTION_RESIZE,
 644         _NET_WM_ALLOWED_ACTIONS,
 645         _NET_WM_NAME,
 646         _NET_WM_STATE,
 647         _NET_WM_STATE_ABOVE,
 648         _NET_WM_STATE_FULLSCREEN,
 649         _NET_WM_STATE_HIDDEN,
 650         _NET_WM_STATE_MAXIMIZED_HORZ,
 651         _NET_WM_STATE_MAXIMIZED_VERT,
 652         _NET_WM_STATE_SKIP_PAGER,
 653         _NET_WM_STATE_SKIP_TASKBAR,
 654         _NET_WM_WINDOW_TYPE,
 655         _NET_WM_WINDOW_TYPE_DIALOG,
 656         _NET_WM_WINDOW_TYPE_DOCK,
 657         _NET_WM_WINDOW_TYPE_NORMAL,
 658         _NET_WM_WINDOW_TYPE_SPLASH,
 659         _NET_WM_WINDOW_TYPE_TOOLBAR,
 660         _NET_WM_WINDOW_TYPE_UTILITY,
 661         _SWM_WM_STATE_MANUAL,
 662         SWM_EWMH_HINT_MAX
 663 };
 664
 665 struct ewmh_hint {
 666         char            *name;
 667         xcb_atom_t      atom;
 668 } ewmh[SWM_EWMH_HINT_MAX] =     {
 669     /* must be in same order as in the enum */
 670     {"_NET_ACTIVE_WINDOW", XCB_ATOM_NONE},
 671     {"_NET_CLOSE_WINDOW", XCB_ATOM_NONE},
 672     {"_NET_MOVERESIZE_WINDOW", XCB_ATOM_NONE},
 673     {"_NET_WM_ACTION_ABOVE", XCB_ATOM_NONE},
 674     {"_NET_WM_ACTION_CLOSE", XCB_ATOM_NONE},
 675     {"_NET_WM_ACTION_FULLSCREEN", XCB_ATOM_NONE},
 676     {"_NET_WM_ACTION_MOVE", XCB_ATOM_NONE},
 677     {"_NET_WM_ACTION_RESIZE", XCB_ATOM_NONE},
 678     {"_NET_WM_ALLOWED_ACTIONS", XCB_ATOM_NONE},
 679     {"_NET_WM_NAME", XCB_ATOM_NONE},
 680     {"_NET_WM_STATE", XCB_ATOM_NONE},
 681     {"_NET_WM_STATE_ABOVE", XCB_ATOM_NONE},
 682     {"_NET_WM_STATE_FULLSCREEN", XCB_ATOM_NONE},
 683     {"_NET_WM_STATE_HIDDEN", XCB_ATOM_NONE},
 684     {"_NET_WM_STATE_MAXIMIZED_HORZ", XCB_ATOM_NONE},
 685     {"_NET_WM_STATE_MAXIMIZED_VERT", XCB_ATOM_NONE},
 686     {"_NET_WM_STATE_SKIP_PAGER", XCB_ATOM_NONE},
 687     {"_NET_WM_STATE_SKIP_TASKBAR", XCB_ATOM_NONE},
 688     {"_NET_WM_WINDOW_TYPE", XCB_ATOM_NONE},
 689     {"_NET_WM_WINDOW_TYPE_DIALOG", XCB_ATOM_NONE},
 690     {"_NET_WM_WINDOW_TYPE_DOCK", XCB_ATOM_NONE},
 691     {"_NET_WM_WINDOW_TYPE_NORMAL", XCB_ATOM_NONE},
 692     {"_NET_WM_WINDOW_TYPE_SPLASH", XCB_ATOM_NONE},
 693     {"_NET_WM_WINDOW_TYPE_TOOLBAR", XCB_ATOM_NONE},
 694     {"_NET_WM_WINDOW_TYPE_UTILITY", XCB_ATOM_NONE},
 695     {"_SWM_WM_STATE_MANUAL", XCB_ATOM_NONE},
 696 };
 697
 698 /* Cursors */
 699 enum {
 700         XC_FLEUR,
 701         XC_LEFT_PTR,
 702         XC_BOTTOM_LEFT_CORNER,
 703         XC_BOTTOM_RIGHT_CORNER,
 704         XC_SIZING,
 705         XC_TOP_LEFT_CORNER,
 706         XC_TOP_RIGHT_CORNER,
 707         XC_MAX
 708 };
 709
 710 struct cursors {
 711         char            *name; /* Name used by Xcursor .*/
 712         uint8_t         cf_char; /* cursorfont index. */
 713         xcb_cursor_t    cid;
 714 } cursors[XC_MAX] =     {
 715         {"fleur", XC_fleur, XCB_CURSOR_NONE},
 716         {"left_ptr", XC_left_ptr, XCB_CURSOR_NONE},
 717         {"bottom_left_corner", XC_bottom_left_corner, XCB_CURSOR_NONE},
 718         {"bottom_right_corner", XC_bottom_right_corner, XCB_CURSOR_NONE},
 719         {"sizing", XC_sizing, XCB_CURSOR_NONE},
 720         {"top_left_corner", XC_top_left_corner, XCB_CURSOR_NONE},
 721         {"top_right_corner", XC_top_right_corner, XCB_CURSOR_NONE},
 722 };
 723
 724 #define SWM_SPAWN_OPTIONAL              0x1
 725
 726 /* spawn */
 727 struct spawn_prog {
 728         TAILQ_ENTRY(spawn_prog) entry;
 729         char                    *name;
 730         int                     argc;
 731         char                    **argv;
 732         int                     flags;
 733 };
 734 TAILQ_HEAD(spawn_list, spawn_prog);
 735 struct spawn_list               spawns = TAILQ_HEAD_INITIALIZER(spawns);
 736
 737 /* user/key callable function IDs */
 738 enum keyfuncid {
 739         KF_BAR_TOGGLE,
 740         KF_BAR_TOGGLE_WS,
 741         KF_BUTTON2,
 742         KF_CYCLE_LAYOUT,
 743         KF_FLIP_LAYOUT,
 744         KF_FLOAT_TOGGLE,
 745         KF_FOCUS_MAIN,
 746         KF_FOCUS_NEXT,
 747         KF_FOCUS_PREV,
 748         KF_FOCUS_URGENT,
 749         KF_HEIGHT_GROW,
 750         KF_HEIGHT_SHRINK,
 751         KF_ICONIFY,
 752         KF_MASTER_SHRINK,
 753         KF_MASTER_GROW,
 754         KF_MASTER_ADD,
 755         KF_MASTER_DEL,
 756         KF_MOVE_DOWN,
 757         KF_MOVE_LEFT,
 758         KF_MOVE_RIGHT,
 759         KF_MOVE_UP,
 760         KF_MVRG_1,
 761         KF_MVRG_2,
 762         KF_MVRG_3,
 763         KF_MVRG_4,
 764         KF_MVRG_5,
 765         KF_MVRG_6,
 766         KF_MVRG_7,
 767         KF_MVRG_8,
 768         KF_MVRG_9,
 769         KF_MVWS_1,
 770         KF_MVWS_2,
 771         KF_MVWS_3,
 772         KF_MVWS_4,
 773         KF_MVWS_5,
 774         KF_MVWS_6,
 775         KF_MVWS_7,
 776         KF_MVWS_8,
 777         KF_MVWS_9,
 778         KF_MVWS_10,
 779         KF_MVWS_11,
 780         KF_MVWS_12,
 781         KF_MVWS_13,
 782         KF_MVWS_14,
 783         KF_MVWS_15,
 784         KF_MVWS_16,
 785         KF_MVWS_17,
 786         KF_MVWS_18,
 787         KF_MVWS_19,
 788         KF_MVWS_20,
 789         KF_MVWS_21,
 790         KF_MVWS_22,
 791         KF_NAME_WORKSPACE,
 792         KF_QUIT,
 793         KF_RAISE_TOGGLE,
 794         KF_RESTART,
 795         KF_RG_1,
 796         KF_RG_2,
 797         KF_RG_3,
 798         KF_RG_4,
 799         KF_RG_5,
 800         KF_RG_6,
 801         KF_RG_7,
 802         KF_RG_8,
 803         KF_RG_9,
 804         KF_RG_NEXT,
 805         KF_RG_PREV,
 806         KF_SCREEN_NEXT,
 807         KF_SCREEN_PREV,
 808         KF_SEARCH_WIN,
 809         KF_SEARCH_WORKSPACE,
 810         KF_SPAWN_CUSTOM,
 811         KF_STACK_INC,
 812         KF_STACK_DEC,
 813         KF_STACK_RESET,
 814         KF_SWAP_MAIN,
 815         KF_SWAP_NEXT,
 816         KF_SWAP_PREV,
 817         KF_UNICONIFY,
 818         KF_VERSION,
 819         KF_WIDTH_GROW,
 820         KF_WIDTH_SHRINK,
 821         KF_WIND_DEL,
 822         KF_WIND_KILL,
 823         KF_WS_1,
 824         KF_WS_2,
 825         KF_WS_3,
 826         KF_WS_4,
 827         KF_WS_5,
 828         KF_WS_6,
 829         KF_WS_7,
 830         KF_WS_8,
 831         KF_WS_9,
 832         KF_WS_10,
 833         KF_WS_11,
 834         KF_WS_12,
 835         KF_WS_13,
 836         KF_WS_14,
 837         KF_WS_15,
 838         KF_WS_16,
 839         KF_WS_17,
 840         KF_WS_18,
 841         KF_WS_19,
 842         KF_WS_20,
 843         KF_WS_21,
 844         KF_WS_22,
 845         KF_WS_NEXT,
 846         KF_WS_NEXT_ALL,
 847         KF_WS_NEXT_MOVE,
 848         KF_WS_PREV,
 849         KF_WS_PREV_ALL,
 850         KF_WS_PREV_MOVE,
 851         KF_WS_PRIOR,
 852         KF_DUMPWINS, /* MUST BE LAST */
 853         KF_INVALID
 854 };
 855
 856 struct key {
 857         RB_ENTRY(key)           entry;
 858         unsigned int            mod;
 859         KeySym                  keysym;
 860         enum keyfuncid          funcid;
 861         char                    *spawn_name;
 862 };
 863 RB_HEAD(key_tree, key);
 864
 865 /* function prototypes */
 866 void     adjust_font(struct ws_win *);
 867 void     bar_class_name(char *, size_t, struct swm_region *);
 868 void     bar_class_title_name(char *, size_t, struct swm_region *);
 869 void     bar_cleanup(struct swm_region *);
 870 void     bar_extra_setup(void);
 871 void     bar_extra_stop(void);
 872 int      bar_extra_update(void);
 873 void     bar_fmt(const char *, char *, struct swm_region *, size_t);
 874 void     bar_fmt_expand(char *, size_t);
 875 void     bar_draw(void);
 876 void     bar_print(struct swm_region *, const char *);
 877 void     bar_print_legacy(struct swm_region *, const char *);
 878 void     bar_replace(char *, char *, struct swm_region *, size_t);
 879 void     bar_replace_pad(char *, int *, size_t);
 880 char    *bar_replace_seq(char *, char *, struct swm_region *, size_t *, size_t);
 881 void     bar_setup(struct swm_region *);
 882 void     bar_title_name(char *, size_t, struct swm_region *);
 883 void     bar_toggle(struct swm_region *, union arg *);
 884 void     bar_urgent(char *, size_t);
 885 void     bar_window_float(char *, size_t, struct swm_region *);
 886 void     bar_window_name(char *, size_t, struct swm_region *);
 887 void     bar_workspace_name(char *, size_t, struct swm_region *);
 888 void     buttonpress(xcb_button_press_event_t *);
 889 void     check_conn(void);
 890 void     clear_keys(void);
 891 void     clientmessage(xcb_client_message_event_t *);
 892 void     client_msg(struct ws_win *, xcb_atom_t, xcb_timestamp_t);
 893 int      conf_load(const char *, int);
 894 void     configurenotify(xcb_configure_notify_event_t *);
 895 void     configurerequest(xcb_configure_request_event_t *);
 896 void     config_win(struct ws_win *, xcb_configure_request_event_t *);
 897 void     constrain_window(struct ws_win *, struct swm_geometry *, int *);
 898 int      count_win(struct workspace *, int);
 899 void     cursors_cleanup(void);
 900 void     cursors_load(void);
 901 void     custom_region(char *);
 902 void     cyclerg(struct swm_region *, union arg *);
 903 void     cyclews(struct swm_region *, union arg *);
 904 void     cycle_layout(struct swm_region *, union arg *);
 905 void     destroynotify(xcb_destroy_notify_event_t *);
 906 void     dumpwins(struct swm_region *, union arg *);
 907 int      enable_wm(void);
 908 void     enternotify(xcb_enter_notify_event_t *);
 909 void     event_drain(uint8_t);
 910 void     event_error(xcb_generic_error_t *);
 911 void     event_handle(xcb_generic_event_t *);
 912 void     ewmh_autoquirk(struct ws_win *);
 913 void     ewmh_get_win_state(struct ws_win *);
 914 int      ewmh_set_win_fullscreen(struct ws_win *, int);
 915 void     ewmh_update_actions(struct ws_win *);
 916 void     ewmh_update_win_state(struct ws_win *, xcb_atom_t, long);
 917 char    *expand_tilde(const char *);
 918 void     expose(xcb_expose_event_t *);
 919 void     fake_keypress(struct ws_win *, xcb_keysym_t, uint16_t);
 920 struct pid_e    *find_pid(pid_t);
 921 struct ws_win   *find_unmanaged_window(xcb_window_t);
 922 struct ws_win   *find_window(xcb_window_t);
 923 void     floating_toggle(struct swm_region *, union arg *);
 924 int      floating_toggle_win(struct ws_win *);
 925 void     focus(struct swm_region *, union arg *);
 926 #ifdef SWM_DEBUG
 927 void     focusin(xcb_focus_in_event_t *);
 928 void     focusout(xcb_focus_out_event_t *);
 929 #endif
 930 void     focus_flush(void);
 931 void     focus_region(struct swm_region *);
 932 void     focusrg(struct swm_region *, union arg *);
 933 void     focus_win(struct ws_win *);
 934 void     fontset_init(void);
 935 void     free_window(struct ws_win *);
 936 xcb_atom_t get_atom_from_string(const char *);
 937 #ifdef SWM_DEBUG
 938 char    *get_atom_name(xcb_atom_t);
 939 #endif
 940 struct ws_win   *get_focus_magic(struct ws_win *);
 941 struct ws_win   *get_focus_prev(struct ws_win *);
 942 #ifdef SWM_DEBUG
 943 char    *get_notify_detail_label(uint8_t);
 944 char    *get_notify_mode_label(uint8_t);
 945 #endif
 946 struct ws_win   *get_pointer_win(xcb_window_t);
 947 struct ws_win   *get_region_focus(struct swm_region *);
 948 int      get_region_index(struct swm_region *);
 949 xcb_screen_t    *get_screen(int);
 950 xcb_window_t     get_sibling(struct ws_win *, int);
 951 int      get_screen_count(void);
 952 #ifdef SWM_DEBUG
 953 char    *get_stack_mode_name(uint8_t);
 954 #endif
 955 int32_t  get_swm_iconic(struct ws_win *);
 956 char    *get_win_name(xcb_window_t);
 957 int      get_ws_idx(xcb_window_t);
 958 uint32_t getstate(xcb_window_t);
 959 void     grabbuttons(struct ws_win *);
 960 void     grabkeys(void);
 961 void     grab_windows(void);
 962 void     iconify(struct swm_region *, union arg *);
 963 int      isxlfd(char *);
 964 void     keypress(xcb_key_press_event_t *);
 965 int      key_cmp(struct key *, struct key *);
 966 void     key_insert(unsigned int, KeySym, enum keyfuncid, const char *);
 967 struct key      *key_lookup(unsigned int, KeySym);
 968 void     key_remove(struct key *);
 969 void     key_replace(struct key *, unsigned int, KeySym, enum keyfuncid,
 970              const char *);
 971 void     kill_bar_extra_atexit(void);
 972 void     kill_refs(struct ws_win *);
 973 #ifdef SWM_DEBUG
 974 void     leavenotify(xcb_leave_notify_event_t *);
 975 #endif
 976 void     load_float_geom(struct ws_win *);
 977 struct ws_win   *manage_window(xcb_window_t, uint16_t);
 978 void     map_window(struct ws_win *, xcb_window_t);
 979 void     mapnotify(xcb_map_notify_event_t *);
 980 void     mappingnotify(xcb_mapping_notify_event_t *);
 981 void     maprequest(xcb_map_request_event_t *);
 982 void     motionnotify(xcb_motion_notify_event_t *);
 983 void     move(struct ws_win *, union arg *);
 984 void     move_step(struct swm_region *, union arg *);
 985 uint32_t name_to_pixel(int, const char *);
 986 void     name_workspace(struct swm_region *, union arg *);
 987 void     new_region(struct swm_screen *, int, int, int, int);
 988 int      parsekeys(char *, unsigned int, unsigned int *, KeySym *);
 989 int      parsequirks(char *, unsigned long *);
 990 int      parse_rgb(const char *, uint16_t *, uint16_t *, uint16_t *);
 991 void     pressbutton(struct swm_region *, union arg *);
 992 void     priorws(struct swm_region *, union arg *);
 993 #ifdef SWM_DEBUG
 994 void     print_win_geom(xcb_window_t);
 995 #endif
 996 void     propertynotify(xcb_property_notify_event_t *);
 997 void     quirk_insert(const char *, const char *, unsigned long);
 998 void     quirk_remove(struct quirk *);
 999 void     quirk_replace(struct quirk *, const char *, const char *,
1000              unsigned long);
1001 void     quit(struct swm_region *, union arg *);
1002 void     raise_toggle(struct swm_region *, union arg *);
1003 void     region_containment(struct ws_win *, struct swm_region *, int);
1004 struct swm_region       *region_under(struct swm_screen *, int, int);
1005 void     regionize(struct ws_win *, int, int);
1006 void     resize(struct ws_win *, union arg *);
1007 void     resize_step(struct swm_region *, union arg *);
1008 void     restart(struct swm_region *, union arg *);
1009 struct swm_region       *root_to_region(xcb_window_t, int);
1010 void     screenchange(xcb_randr_screen_change_notify_event_t *);
1011 void     scan_xrandr(int);
1012 void     search_do_resp(void);
1013 void     search_resp_name_workspace(const char *, size_t);
1014 void     search_resp_search_window(const char *);
1015 void     search_resp_search_workspace(const char *);
1016 void     search_resp_uniconify(const char *, size_t);
1017 void     search_win(struct swm_region *, union arg *);
1018 void     search_win_cleanup(void);
1019 void     search_workspace(struct swm_region *, union arg *);
1020 void     send_to_rg(struct swm_region *, union arg *);
1021 void     send_to_ws(struct swm_region *, union arg *);
1022 void     set_region(struct swm_region *);
1023 int      setautorun(char *, char *, int);
1024 int      setconfbinding(char *, char *, int);
1025 int      setconfcolor(char *, char *, int);
1026 int      setconfmodkey(char *, char *, int);
1027 int      setconfquirk(char *, char *, int);
1028 int      setconfregion(char *, char *, int);
1029 int      setconfspawn(char *, char *, int);
1030 int      setconfvalue(char *, char *, int);
1031 void     setkeybinding(unsigned int, KeySym, enum keyfuncid, const char *);
1032 int      setkeymapping(char *, char *, int);
1033 int      setlayout(char *, char *, int);
1034 void     setquirk(const char *, const char *, unsigned long);
1035 void     setscreencolor(char *, int, int);
1036 void     setspawn(const char *, const char *, int);
1037 void     setup_ewmh(void);
1038 void     setup_globals(void);
1039 void     setup_keys(void);
1040 void     setup_quirks(void);
1041 void     setup_screens(void);
1042 void     setup_spawn(void);
1043 void     set_child_transient(struct ws_win *, xcb_window_t *);
1044 void     set_swm_iconic(struct ws_win *, int);
1045 void     set_win_state(struct ws_win *, uint16_t);
1046 void     shutdown_cleanup(void);
1047 void     sighdlr(int);
1048 void     socket_setnonblock(int);
1049 void     sort_windows(struct ws_win_list *);
1050 void     spawn(int, union arg *, int);
1051 void     spawn_custom(struct swm_region *, union arg *, const char *);
1052 int      spawn_expand(struct swm_region *, union arg *, const char *, char ***);
1053 void     spawn_insert(const char *, const char *, int);
1054 struct spawn_prog       *spawn_find(const char *);
1055 void     spawn_remove(struct spawn_prog *);
1056 void     spawn_replace(struct spawn_prog *, const char *, const char *, int);
1057 void     spawn_select(struct swm_region *, union arg *, const char *, int *);
1058 void     stack_config(struct swm_region *, union arg *);
1059 void     stack_floater(struct ws_win *, struct swm_region *);
1060 void     stack_master(struct workspace *, struct swm_geometry *, int, int);
1061 void     store_float_geom(struct ws_win *);
1062 char    *strdupsafe(const char *);
1063 void     swapwin(struct swm_region *, union arg *);
1064 void     switchws(struct swm_region *, union arg *);
1065 void     teardown_ewmh(void);
1066 void     unfocus_win(struct ws_win *);
1067 void     uniconify(struct swm_region *, union arg *);
1068 void     unmanage_window(struct ws_win *);
1069 void     unmapnotify(xcb_unmap_notify_event_t *);
1070 void     unmap_all(void);
1071 void     unmap_window(struct ws_win *);
1072 void     updatenumlockmask(void);
1073 void     update_modkey(unsigned int);
1074 void     update_window(struct ws_win *);
1075 void     validate_spawns(void);
1076 int      validate_win(struct ws_win *);
1077 int      validate_ws(struct workspace *);
1078 /*void   visibilitynotify(xcb_visibility_notify_event_t *);*/
1079 void     version(struct swm_region *, union arg *);
1080 void     win_to_ws(struct ws_win *, int, int);
1081 pid_t    window_get_pid(xcb_window_t);
1082 void     wkill(struct swm_region *, union arg *);
1083 void     workaround(void);
1084 void     xft_init(struct swm_region *);
1085 void     _add_startup_exception(const char *, va_list);
1086 void     add_startup_exception(const char *, ...);
1087
1088 RB_PROTOTYPE(key_tree, key, entry, key_cmp);
1089 RB_GENERATE(key_tree, key, entry, key_cmp);
1090 struct key_tree                 keys;
1091
1092 void
1093 cursors_load(void)
1094 {
1095         xcb_font_t      cf = XCB_NONE;
1096         int             i;
1097
1098         for (i = 0; i < LENGTH(cursors); ++i) {
1099                 /* try to load Xcursor first. */
1100                 cursors[i].cid = XcursorLibraryLoadCursor(display,
1101                     cursors[i].name);
1102
1103                 /* fallback to cursorfont. */
1104                 if (cursors[i].cid == XCB_CURSOR_NONE) {
1105                         if (cf == XCB_NONE) {
1106                                 cf = xcb_generate_id(conn);
1107                                 xcb_open_font(conn, cf, strlen("cursor"),
1108                                     "cursor");
1109                         }
1110
1111                         cursors[i].cid = xcb_generate_id(conn);
1112                         xcb_create_glyph_cursor(conn, cursors[i].cid, cf, cf,
1113                             cursors[i].cf_char, cursors[i].cf_char + 1, 0, 0, 0,
1114                             0xffff, 0xffff, 0xffff);
1115
1116                 }
1117         }
1118
1119         if (cf != XCB_NONE)
1120                 xcb_close_font(conn, cf);
1121 }
1122
1123 void
1124 cursors_cleanup(void)
1125 {
1126         int     i;
1127         for (i = 0; i < LENGTH(cursors); ++i)
1128                 xcb_free_cursor(conn, cursors[i].cid);
1129 }
1130
1131 char *
1132 expand_tilde(const char *s)
1133 {
1134         struct passwd           *ppwd;
1135         int                     i;
1136         long                    max;
1137         char                    *user;
1138         const char              *sc = s;
1139         char                    *result;
1140
1141         if (s == NULL)
1142                 errx(1, "expand_tilde: NULL string.");
1143
1144         if (s[0] != '~') {
1145                 result = strdup(sc);
1146                 goto out;
1147         }
1148
1149         ++s;
1150
1151         if ((max = sysconf(_SC_LOGIN_NAME_MAX)) == -1)
1152                 errx(1, "expand_tilde: sysconf");
1153
1154         if ((user = calloc(1, max + 1)) == NULL)
1155                 errx(1, "expand_tilde: calloc");
1156
1157         for (i = 0; s[i] != '/' && s[i] != '\0'; ++i)
1158                 user[i] = s[i];
1159         user[i] = '\0';
1160         s = &s[i];
1161
1162         ppwd = strlen(user) == 0 ? getpwuid(getuid()) : getpwnam(user);
1163         free(user);
1164
1165         if (ppwd == NULL)
1166                 result = strdup(sc);
1167         else
1168                 if (asprintf(&result, "%s%s", ppwd->pw_dir, s) == -1)
1169                         result = NULL;
1170 out:
1171         if (result == NULL)
1172                 errx(1, "expand_tilde: failed to allocate memory.");
1173
1174         return result;
1175 }
1176
1177 int
1178 parse_rgb(const char *rgb, uint16_t *rr, uint16_t *gg, uint16_t *bb)
1179 {
1180         unsigned int    tmpr, tmpg, tmpb;
1181
1182         if (sscanf(rgb, "rgb:%x/%x/%x", &tmpr, &tmpg, &tmpb) != 3)
1183                 return (-1);
1184
1185         *rr = RGB_8_TO_16(tmpr);
1186         *gg = RGB_8_TO_16(tmpg);
1187         *bb = RGB_8_TO_16(tmpb);
1188
1189         return (0);
1190 }
1191
1192 xcb_screen_t *
1193 get_screen(int screen)
1194 {
1195         const xcb_setup_t       *r;
1196         xcb_screen_iterator_t   iter;
1197
1198         if ((r = xcb_get_setup(conn)) == NULL) {
1199                 DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
1200                 check_conn();
1201         }
1202
1203         iter = xcb_setup_roots_iterator(r);
1204         for (; iter.rem; --screen, xcb_screen_next(&iter))
1205                 if (screen == 0)
1206                         return (iter.data);
1207
1208         return (NULL);
1209 }
1210
1211 int
1212 get_screen_count(void)
1213 {
1214         const xcb_setup_t       *r;
1215
1216         if ((r = xcb_get_setup(conn)) == NULL) {
1217                 DNPRINTF(SWM_D_MISC, "get_screen_count: xcb_get_setup\n");
1218                 check_conn();
1219         }
1220
1221         return xcb_setup_roots_length(r);
1222 }
1223
1224 int
1225 get_region_index(struct swm_region *r)
1226 {
1227         struct swm_region       *rr;
1228         int                      ridx = 0;
1229
1230         if (r == NULL)
1231                 return -1;
1232
1233         TAILQ_FOREACH(rr, &r->s->rl, entry) {
1234                 if (rr == r)
1235                         break;
1236                 ++ridx;
1237         }
1238
1239         if (rr == NULL)
1240                 return -1;
1241
1242         return ridx;
1243 }
1244
1245 void
1246 focus_flush(void)
1247 {
1248         if (focus_mode == SWM_FOCUS_DEFAULT)
1249                 event_drain(XCB_ENTER_NOTIFY);
1250         else
1251                 xcb_flush(conn);
1252 }
1253
1254 xcb_atom_t
1255 get_atom_from_string(const char *str)
1256 {
1257         xcb_intern_atom_cookie_t        c;
1258         xcb_intern_atom_reply_t         *r;
1259         xcb_atom_t                      atom;
1260
1261         c = xcb_intern_atom(conn, 0, strlen(str), str);
1262         r = xcb_intern_atom_reply(conn, c, NULL);
1263         if (r) {
1264                 atom = r->atom;
1265                 free(r);
1266
1267                 return (atom);
1268         }
1269
1270         return (XCB_ATOM_NONE);
1271 }
1272
1273 void
1274 set_swm_iconic(struct ws_win *win, int newv)
1275 {
1276         int32_t                         v = newv;
1277
1278         win->iconic = newv;
1279
1280         if (newv)
1281                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1282                     a_swm_iconic, XCB_ATOM_INTEGER, 32, 1, &v);
1283         else
1284                 xcb_delete_property(conn, win->id, a_swm_iconic);
1285 }
1286
1287 int32_t
1288 get_swm_iconic(struct ws_win *win)
1289 {
1290         int32_t                         v = 0;
1291         xcb_get_property_reply_t        *pr = NULL;
1292
1293         pr = xcb_get_property_reply(conn,
1294             xcb_get_property(conn, 0, win->id, a_swm_iconic,
1295             XCB_ATOM_INTEGER, 0, 1), NULL);
1296         if (pr == NULL)
1297                 goto out;
1298         if (pr->type != XCB_ATOM_INTEGER || pr->format != 32)
1299                 goto out;
1300         v = *((int32_t *)xcb_get_property_value(pr));
1301 out:
1302         if (pr)
1303                 free(pr);
1304         return (v);
1305 }
1306
1307 void
1308 setup_ewmh(void)
1309 {
1310         xcb_atom_t                      sup_list;
1311         int                             i, j, num_screens;
1312
1313         sup_list = get_atom_from_string("_NET_SUPPORTED");
1314
1315         for (i = 0; i < LENGTH(ewmh); i++)
1316                 ewmh[i].atom = get_atom_from_string(ewmh[i].name);
1317
1318         num_screens = get_screen_count();
1319         for (i = 0; i < num_screens; i++) {
1320                 /* Support check window will be created by workaround(). */
1321
1322                 /* Report supported atoms */
1323                 xcb_delete_property(conn, screens[i].root, sup_list);
1324                 for (j = 0; j < LENGTH(ewmh); j++)
1325                         xcb_change_property(conn, XCB_PROP_MODE_APPEND,
1326                             screens[i].root, sup_list, XCB_ATOM_ATOM, 32, 1,
1327                             &ewmh[j].atom);
1328         }
1329 }
1330
1331 void
1332 teardown_ewmh(void)
1333 {
1334         int                             i, num_screens;
1335         xcb_atom_t                      sup_check, sup_list;
1336         xcb_window_t                    id;
1337         xcb_get_property_cookie_t       pc;
1338         xcb_get_property_reply_t        *pr;
1339
1340         sup_check = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
1341         sup_list = get_atom_from_string("_NET_SUPPORTED");
1342         num_screens = get_screen_count();
1343
1344         for (i = 0; i < num_screens; i++) {
1345                 /* Get the support check window and destroy it */
1346                 pc = xcb_get_property(conn, 0, screens[i].root, sup_check,
1347                     XCB_ATOM_WINDOW, 0, 1);
1348                 pr = xcb_get_property_reply(conn, pc, NULL);
1349                 if (pr == NULL)
1350                         continue;
1351                 if (pr->format == sup_check) {
1352                         id = *((xcb_window_t *)xcb_get_property_value(pr));
1353
1354                         xcb_destroy_window(conn, id);
1355                         xcb_delete_property(conn, screens[i].root, sup_check);
1356                         xcb_delete_property(conn, screens[i].root, sup_list);
1357                 }
1358                 free(pr);
1359         }
1360 }
1361
1362 void
1363 ewmh_autoquirk(struct ws_win *win)
1364 {
1365         uint32_t                i, n;
1366         xcb_atom_t              *type;
1367         xcb_get_property_cookie_t       c;
1368         xcb_get_property_reply_t        *r;
1369
1370         c = xcb_get_property(conn, 0, win->id,
1371             ewmh[_NET_WM_WINDOW_TYPE].atom, XCB_ATOM_ATOM, 0, UINT32_MAX);
1372         r = xcb_get_property_reply(conn, c, NULL);
1373         if (r == NULL)
1374                 return;
1375
1376         n = xcb_get_property_value_length(r);
1377         type = xcb_get_property_value(r);
1378
1379         for (i = 0; i < n; i++) {
1380                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_NORMAL].atom)
1381                         break;
1382                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_DOCK].atom ||
1383                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_TOOLBAR].atom ||
1384                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_UTILITY].atom) {
1385                         win->floating = 1;
1386                         win->quirks = SWM_Q_FLOAT | SWM_Q_ANYWHERE;
1387                         break;
1388                 }
1389                 if (type[i] == ewmh[_NET_WM_WINDOW_TYPE_SPLASH].atom ||
1390                     type[i] == ewmh[_NET_WM_WINDOW_TYPE_DIALOG].atom) {
1391                         win->floating = 1;
1392                         win->quirks = SWM_Q_FLOAT;
1393                         break;
1394                 }
1395         }
1396         free(r);
1397 }
1398
1399 #define SWM_EWMH_ACTION_COUNT_MAX       (6)
1400 #define EWMH_F_FULLSCREEN               (1<<0)
1401 #define EWMH_F_ABOVE                    (1<<1)
1402 #define EWMH_F_HIDDEN                   (1<<2)
1403 #define EWMH_F_SKIP_PAGER               (1<<3)
1404 #define EWMH_F_SKIP_TASKBAR             (1<<4)
1405 #define SWM_F_MANUAL                    (1<<5)
1406
1407 int
1408 ewmh_set_win_fullscreen(struct ws_win *win, int fs)
1409 {
1410         if (win->ws->r == NULL)
1411                 return (0);
1412
1413         if (!win->floating)
1414                 return (0);
1415
1416         DNPRINTF(SWM_D_MISC, "ewmh_set_win_fullscreen: window: 0x%x, "
1417             "fullscreen %s\n", win->id, YESNO(fs));
1418
1419         if (fs) {
1420                 if (!win->g_floatvalid)
1421                         store_float_geom(win);
1422
1423                 win->g = win->ws->r->g;
1424                 win->bordered = 0;
1425         } else {
1426                 load_float_geom(win);
1427         }
1428
1429         return (1);
1430 }
1431
1432 void
1433 ewmh_update_actions(struct ws_win *win)
1434 {
1435         xcb_atom_t              actions[SWM_EWMH_ACTION_COUNT_MAX];
1436         int                     n = 0;
1437
1438         if (win == NULL)
1439                 return;
1440
1441         actions[n++] = ewmh[_NET_WM_ACTION_CLOSE].atom;
1442
1443         if (win->floating) {
1444                 actions[n++] = ewmh[_NET_WM_ACTION_MOVE].atom;
1445                 actions[n++] = ewmh[_NET_WM_ACTION_RESIZE].atom;
1446                 actions[n++] = ewmh[_NET_WM_ACTION_ABOVE].atom;
1447         }
1448
1449         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
1450             ewmh[_NET_WM_ALLOWED_ACTIONS].atom, XCB_ATOM_ATOM, 32, 1, actions);
1451 }
1452
1453 #define _NET_WM_STATE_REMOVE    0    /* remove/unset property */
1454 #define _NET_WM_STATE_ADD       1    /* add/set property */
1455 #define _NET_WM_STATE_TOGGLE    2    /* toggle property */
1456
1457 void
1458 ewmh_update_win_state(struct ws_win *win, xcb_atom_t state, long action)
1459 {
1460         unsigned int            mask = 0;
1461         unsigned int            changed = 0;
1462         unsigned int            orig_flags;
1463
1464         if (win == NULL)
1465                 return;
1466
1467         DNPRINTF(SWM_D_PROP, "ewmh_update_win_state: window: 0x%x, state: %ld, "
1468             "action: %ld\n", win->id, (unsigned long)state, action);
1469
1470         if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom)
1471                 mask = EWMH_F_FULLSCREEN;
1472         else if (state == ewmh[_NET_WM_STATE_ABOVE].atom)
1473                 mask = EWMH_F_ABOVE;
1474         else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom)
1475                 mask = SWM_F_MANUAL;
1476         else if (state == ewmh[_NET_WM_STATE_SKIP_PAGER].atom)
1477                 mask = EWMH_F_SKIP_PAGER;
1478         else if (state == ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom)
1479                 mask = EWMH_F_SKIP_TASKBAR;
1480
1481         orig_flags = win->ewmh_flags;
1482
1483         switch (action) {
1484         case _NET_WM_STATE_REMOVE:
1485                 win->ewmh_flags &= ~mask;
1486                 break;
1487         case _NET_WM_STATE_ADD:
1488                 win->ewmh_flags |= mask;
1489                 break;
1490         case _NET_WM_STATE_TOGGLE:
1491                 win->ewmh_flags ^= mask;
1492                 break;
1493         }
1494
1495         changed = (win->ewmh_flags & mask) ^ (orig_flags & mask) ? 1 : 0;
1496
1497         if (state == ewmh[_NET_WM_STATE_ABOVE].atom) {
1498                 if (changed && !floating_toggle_win(win))
1499                                 win->ewmh_flags = orig_flags; /* revert */
1500         } else if (state == ewmh[_SWM_WM_STATE_MANUAL].atom) {
1501                 if (changed)
1502                         win->manual = (win->ewmh_flags & SWM_F_MANUAL) != 0;
1503         } else if (state == ewmh[_NET_WM_STATE_FULLSCREEN].atom) {
1504                 if (changed && !ewmh_set_win_fullscreen(win,
1505                             win->ewmh_flags & EWMH_F_FULLSCREEN))
1506                                 win->ewmh_flags = orig_flags; /* revert */
1507         }
1508
1509         xcb_delete_property(conn, win->id, ewmh[_NET_WM_STATE].atom);
1510
1511         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
1512                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1513                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1514                     &ewmh[_NET_WM_STATE_FULLSCREEN].atom);
1515         else if (win->ewmh_flags & EWMH_F_SKIP_PAGER)
1516                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1517                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1518                     &ewmh[_NET_WM_STATE_SKIP_PAGER].atom);
1519         else if (win->ewmh_flags & EWMH_F_SKIP_TASKBAR)
1520                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1521                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1522                     &ewmh[_NET_WM_STATE_SKIP_TASKBAR].atom);
1523         else if (win->ewmh_flags & EWMH_F_ABOVE)
1524                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1525                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1526                     &ewmh[_NET_WM_STATE_ABOVE].atom);
1527         else if (win->ewmh_flags & SWM_F_MANUAL)
1528                 xcb_change_property(conn, XCB_PROP_MODE_APPEND, win->id,
1529                     ewmh[_NET_WM_STATE].atom, XCB_ATOM_ATOM, 32, 1,
1530                     &ewmh[_SWM_WM_STATE_MANUAL].atom);
1531 }
1532
1533 void
1534 ewmh_get_win_state(struct ws_win *win)
1535 {
1536         xcb_atom_t                      *states;
1537         xcb_get_property_cookie_t       c;
1538         xcb_get_property_reply_t        *r;
1539         int                             i, n;
1540
1541         if (win == NULL)
1542                 return;
1543
1544         win->ewmh_flags = 0;
1545         if (win->floating)
1546                 win->ewmh_flags |= EWMH_F_ABOVE;
1547         if (win->manual)
1548                 win->ewmh_flags |= SWM_F_MANUAL;
1549
1550         c = xcb_get_property(conn, 0, win->id, ewmh[_NET_WM_STATE].atom,
1551             XCB_ATOM_ATOM, 0, UINT32_MAX);
1552         r = xcb_get_property_reply(conn, c, NULL);
1553         if (r == NULL)
1554                 return;
1555
1556         states = xcb_get_property_value(r);
1557         n = xcb_get_property_value_length(r);
1558
1559         for (i = 0; i < n; i++)
1560                 ewmh_update_win_state(win, states[i], _NET_WM_STATE_ADD);
1561
1562         free(r);
1563 }
1564
1565 /* events */
1566 #ifdef SWM_DEBUG
1567 void
1568 dumpwins(struct swm_region *r, union arg *args)
1569 {
1570         struct ws_win                           *win;
1571         uint32_t                                state;
1572         xcb_get_window_attributes_cookie_t      c;
1573         xcb_get_window_attributes_reply_t       *wa;
1574
1575         /* suppress unused warning since var is needed */
1576         (void)args;
1577
1578         if (r->ws == NULL) {
1579                 warnx("dumpwins: invalid workspace");
1580                 return;
1581         }
1582
1583         warnx("=== managed window list ws %02d ===", r->ws->idx);
1584         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
1585                 state = getstate(win->id);
1586                 c = xcb_get_window_attributes(conn, win->id);
1587                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1588                 if (wa) {
1589                         warnx("window: 0x%x, map_state: %d, state: %u, "
1590                             "transient: 0x%x", win->id, wa->map_state,
1591                             state, win->transient);
1592                         free(wa);
1593                 } else
1594                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1595                             win->id);
1596         }
1597
1598         warnx("===== unmanaged window list =====");
1599         TAILQ_FOREACH(win, &r->ws->unmanagedlist, entry) {
1600                 state = getstate(win->id);
1601                 c = xcb_get_window_attributes(conn, win->id);
1602                 wa = xcb_get_window_attributes_reply(conn, c, NULL);
1603                 if (wa) {
1604                         warnx("window: 0x%x, map_state: %d, state: %u, "
1605                             "transient: 0x%x", win->id, wa->map_state,
1606                             state, win->transient);
1607                         free(wa);
1608                 } else
1609                         warnx("window: 0x%x, failed xcb_get_window_attributes",
1610                             win->id);
1611         }
1612
1613         warnx("=================================");
1614 }
1615 #else
1616 void
1617 dumpwins(struct swm_region *r, union arg *s)
1618 {
1619         (void)r;
1620         (void)s;
1621 }
1622 #endif /* SWM_DEBUG */
1623
1624 void
1625 sighdlr(int sig)
1626 {
1627         int                     saved_errno, status;
1628         pid_t                   pid;
1629
1630         saved_errno = errno;
1631
1632         switch (sig) {
1633         case SIGCHLD:
1634                 while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) != 0) {
1635                         if (pid == -1) {
1636                                 if (errno == EINTR)
1637                                         continue;
1638 #ifdef SWM_DEBUG
1639                                 if (errno != ECHILD)
1640                                         warn("sighdlr: waitpid");
1641 #endif /* SWM_DEBUG */
1642                                 break;
1643                         }
1644                         if (pid == searchpid)
1645                                 search_resp = 1;
1646
1647 #ifdef SWM_DEBUG
1648                         if (WIFEXITED(status)) {
1649                                 if (WEXITSTATUS(status) != 0)
1650                                         warnx("sighdlr: child exit status: %d",
1651                                             WEXITSTATUS(status));
1652                         } else
1653                                 warnx("sighdlr: child is terminated "
1654                                     "abnormally");
1655 #endif /* SWM_DEBUG */
1656                 }
1657                 break;
1658
1659         case SIGHUP:
1660                 restart_wm = 1;
1661                 break;
1662         case SIGINT:
1663         case SIGTERM:
1664         case SIGQUIT:
1665                 running = 0;
1666                 break;
1667         }
1668
1669         errno = saved_errno;
1670 }
1671
1672 struct pid_e *
1673 find_pid(pid_t pid)
1674 {
1675         struct pid_e            *p = NULL;
1676
1677         DNPRINTF(SWM_D_MISC, "find_pid: %d\n", pid);
1678
1679         if (pid == 0)
1680                 return (NULL);
1681
1682         TAILQ_FOREACH(p, &pidlist, entry) {
1683                 if (p->pid == pid)
1684                         return (p);
1685         }
1686
1687         return (NULL);
1688 }
1689
1690 uint32_t
1691 name_to_pixel(int sidx, const char *colorname)
1692 {
1693         uint32_t                        result = 0;
1694         char                            cname[32] = "#";
1695         xcb_screen_t                    *screen;
1696         xcb_colormap_t                  cmap;
1697         xcb_alloc_color_reply_t         *cr;
1698         xcb_alloc_named_color_reply_t   *nr;
1699         uint16_t                        rr, gg, bb;
1700
1701         screen = get_screen(sidx);
1702         cmap = screen->default_colormap;
1703
1704         /* color is in format rgb://rr/gg/bb */
1705         if (strncmp(colorname, "rgb:", 4) == 0) {
1706                 if (parse_rgb(colorname, &rr, &gg, &bb) == -1)
1707                         warnx("could not parse rgb %s", colorname);
1708                 else {
1709                         cr = xcb_alloc_color_reply(conn,
1710                             xcb_alloc_color(conn, cmap, rr, gg, bb),
1711                             NULL);
1712                         if (cr) {
1713                                 result = cr->pixel;
1714                                 free(cr);
1715                         } else
1716                                 warnx("color '%s' not found", colorname);
1717                 }
1718         } else {
1719                 nr = xcb_alloc_named_color_reply(conn,
1720                         xcb_alloc_named_color(conn, cmap, strlen(colorname),
1721                             colorname), NULL);
1722                 if (nr == NULL) {
1723                         strlcat(cname, colorname + 2, sizeof cname - 1);
1724                         nr = xcb_alloc_named_color_reply(conn,
1725                             xcb_alloc_named_color(conn, cmap, strlen(cname),
1726                             cname), NULL);
1727                 }
1728                 if (nr) {
1729                         result = nr->pixel;
1730                         free(nr);
1731                 } else
1732                         warnx("color '%s' not found", colorname);
1733         }
1734
1735         return (result);
1736 }
1737
1738 void
1739 setscreencolor(char *val, int i, int c)
1740 {
1741         int     num_screens;
1742
1743         num_screens = get_screen_count();
1744         if (i > 0 && i <= num_screens) {
1745                 screens[i - 1].c[c].pixel = name_to_pixel(i - 1, val);
1746                 free(screens[i - 1].c[c].name);
1747                 if ((screens[i - 1].c[c].name = strdup(val)) == NULL)
1748                         err(1, "strdup");
1749         } else if (i == -1) {
1750                 for (i = 0; i < num_screens; i++) {
1751                         screens[i].c[c].pixel = name_to_pixel(0, val);
1752                         free(screens[i].c[c].name);
1753                         if ((screens[i].c[c].name = strdup(val)) == NULL)
1754                                 err(1, "strdup");
1755                 }
1756         } else
1757                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1758                     i, num_screens);
1759 }
1760
1761 void
1762 fancy_stacker(struct workspace *ws)
1763 {
1764         strlcpy(ws->stacker, "[   ]", sizeof ws->stacker);
1765         if (ws->cur_layout->l_stack == vertical_stack)
1766                 snprintf(ws->stacker, sizeof ws->stacker,
1767                     ws->l_state.vertical_flip ? "[%d>%d]" : "[%d|%d]",
1768                     ws->l_state.vertical_mwin, ws->l_state.vertical_stacks);
1769         if (ws->cur_layout->l_stack == horizontal_stack)
1770                 snprintf(ws->stacker, sizeof ws->stacker,
1771                     ws->l_state.horizontal_flip ? "[%dv%d]" : "[%d-%d]",
1772                     ws->l_state.horizontal_mwin, ws->l_state.horizontal_stacks);
1773 }
1774
1775 void
1776 plain_stacker(struct workspace *ws)
1777 {
1778         strlcpy(ws->stacker, "[ ]", sizeof ws->stacker);
1779         if (ws->cur_layout->l_stack == vertical_stack)
1780                 strlcpy(ws->stacker, ws->l_state.vertical_flip ? "[>]" : "[|]",
1781                     sizeof ws->stacker);
1782         if (ws->cur_layout->l_stack == horizontal_stack)
1783                 strlcpy(ws->stacker, ws->l_state.horizontal_flip ? "[v]" : "[-]",
1784                     sizeof ws->stacker);
1785 }
1786
1787 void
1788 custom_region(char *val)
1789 {
1790         unsigned int                    x, y, w, h;
1791         int                             sidx, num_screens;
1792         xcb_screen_t                    *screen;
1793
1794         num_screens = get_screen_count();
1795         if (sscanf(val, "screen[%d]:%ux%u+%u+%u", &sidx, &w, &h, &x, &y) != 5)
1796                 errx(1, "invalid custom region, "
1797                     "should be 'screen[<n>]:<n>x<n>+<n>+<n>");
1798         if (sidx < 1 || sidx > num_screens)
1799                 errx(1, "invalid screen index: %d out of bounds (maximum %d)",
1800                     sidx, num_screens);
1801         sidx--;
1802
1803         if ((screen = get_screen(sidx)) == NULL)
1804                 errx(1, "ERROR: can't get screen %d.", sidx);
1805
1806         if (w < 1 || h < 1)
1807                 errx(1, "region %ux%u+%u+%u too small", w, h, x, y);
1808
1809         if (x > screen->width_in_pixels ||
1810             y > screen->height_in_pixels ||
1811             w + x > screen->width_in_pixels ||
1812             h + y > screen->height_in_pixels) {
1813                 warnx("ignoring region %ux%u+%u+%u - not within screen "
1814                     "boundaries (%ux%u)", w, h, x, y,
1815                     screen->width_in_pixels, screen->height_in_pixels);
1816                 return;
1817         }
1818
1819         new_region(&screens[sidx], x, y, w, h);
1820 }
1821
1822 void
1823 socket_setnonblock(int fd)
1824 {
1825         int                     flags;
1826
1827         if ((flags = fcntl(fd, F_GETFL, 0)) == -1)
1828                 err(1, "fcntl F_GETFL");
1829         flags |= O_NONBLOCK;
1830         if ((flags = fcntl(fd, F_SETFL, flags)) == -1)
1831                 err(1, "fcntl F_SETFL");
1832 }
1833
1834 void
1835 bar_print_legacy(struct swm_region *r, const char *s)
1836 {
1837         xcb_rectangle_t         rect;
1838         uint32_t                gcv[1];
1839         XGCValues               gcvd;
1840         int                     x = 0;
1841         size_t                  len;
1842         XRectangle              ibox, lbox;
1843         GC                      draw;
1844
1845         len = strlen(s);
1846         XmbTextExtents(bar_fs, s, len, &ibox, &lbox);
1847
1848         switch (bar_justify) {
1849         case SWM_BAR_JUSTIFY_LEFT:
1850                 x = SWM_BAR_OFFSET;
1851                 break;
1852         case SWM_BAR_JUSTIFY_CENTER:
1853                 x = (WIDTH(r) - lbox.width) / 2;
1854                 break;
1855         case SWM_BAR_JUSTIFY_RIGHT:
1856                 x = WIDTH(r) - lbox.width - SWM_BAR_OFFSET;
1857                 break;
1858         }
1859
1860         if (x < SWM_BAR_OFFSET)
1861                 x = SWM_BAR_OFFSET;
1862
1863         rect.x = 0;
1864         rect.y = 0;
1865         rect.width = WIDTH(r->bar);
1866         rect.height = HEIGHT(r->bar);
1867
1868         /* clear back buffer */
1869         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1870         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1871         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1872
1873         /* draw back buffer */
1874         gcvd.graphics_exposures = 0;
1875         draw = XCreateGC(display, r->bar->buffer, GCGraphicsExposures, &gcvd);
1876         XSetForeground(display, draw, r->s->c[SWM_S_COLOR_BAR_FONT].pixel);
1877         DRAWSTRING(display, r->bar->buffer, bar_fs, draw,
1878             x, (bar_fs_extents->max_logical_extent.height - lbox.height) / 2 -
1879             lbox.y, s, len);
1880         XFreeGC(display, draw);
1881
1882         /* blt */
1883         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1884             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1885 }
1886
1887 void
1888 bar_print(struct swm_region *r, const char *s)
1889 {
1890         size_t                          len;
1891         xcb_rectangle_t                 rect;
1892         uint32_t                        gcv[1];
1893         int32_t                         x = 0;
1894         XGlyphInfo                      info;
1895         XftDraw                         *draw;
1896
1897         len = strlen(s);
1898
1899         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len, &info);
1900
1901         switch (bar_justify) {
1902         case SWM_BAR_JUSTIFY_LEFT:
1903                 x = SWM_BAR_OFFSET;
1904                 break;
1905         case SWM_BAR_JUSTIFY_CENTER:
1906                 x = (WIDTH(r) - info.width) / 2;
1907                 break;
1908         case SWM_BAR_JUSTIFY_RIGHT:
1909                 x = WIDTH(r) - info.width - SWM_BAR_OFFSET;
1910                 break;
1911         }
1912
1913         if (x < SWM_BAR_OFFSET)
1914                 x = SWM_BAR_OFFSET;
1915
1916         rect.x = 0;
1917         rect.y = 0;
1918         rect.width = WIDTH(r->bar);
1919         rect.height = HEIGHT(r->bar);
1920
1921         /* clear back buffer */
1922         gcv[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
1923         xcb_change_gc(conn, r->s->bar_gc, XCB_GC_FOREGROUND, gcv);
1924         xcb_poly_fill_rectangle(conn, r->bar->buffer, r->s->bar_gc, 1, &rect);
1925
1926         /* draw back buffer */
1927         draw = XftDrawCreate(display, r->bar->buffer,
1928             DefaultVisual(display, r->s->idx),
1929             DefaultColormap(display, r->s->idx));
1930
1931         XftDrawStringUtf8(draw, &bar_font_color, bar_font, x,
1932             (HEIGHT(r->bar) + bar_font->height) / 2 - bar_font->descent,
1933             (FcChar8 *)s, len);
1934
1935         XftDrawDestroy(draw);
1936
1937         /* blt */
1938         xcb_copy_area(conn, r->bar->buffer, r->bar->id, r->s->bar_gc, 0, 0,
1939             0, 0, WIDTH(r->bar), HEIGHT(r->bar));
1940 }
1941
1942 void
1943 bar_extra_stop(void)
1944 {
1945         if (bar_pipe[0]) {
1946                 close(bar_pipe[0]);
1947                 bzero(bar_pipe, sizeof bar_pipe);
1948         }
1949         if (bar_pid) {
1950                 kill(bar_pid, SIGTERM);
1951                 bar_pid = 0;
1952         }
1953         strlcpy(bar_ext, "", sizeof bar_ext);
1954         bar_extra = 0;
1955 }
1956
1957 void
1958 bar_class_name(char *s, size_t sz, struct swm_region *r)
1959 {
1960         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1961                 return;
1962         if (r->ws->focus->ch.class_name != NULL)
1963                 strlcat(s, r->ws->focus->ch.class_name, sz);
1964 }
1965
1966 void
1967 bar_title_name(char *s, size_t sz, struct swm_region *r)
1968 {
1969         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1970                 return;
1971         if (r->ws->focus->ch.instance_name != NULL)
1972                 strlcat(s, r->ws->focus->ch.instance_name, sz);
1973 }
1974
1975 void
1976 bar_class_title_name(char *s, size_t sz, struct swm_region *r)
1977 {
1978         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
1979                 return;
1980
1981         bar_class_name(s, sz, r);
1982         strlcat(s, ":", sz);
1983         bar_title_name(s, sz, r);
1984 }
1985
1986 void
1987 bar_window_float(char *s, size_t sz, struct swm_region *r)
1988 {
1989         if (r == NULL || r ->ws == NULL || r->ws->focus == NULL)
1990                 return;
1991         if (r->ws->focus->floating)
1992                 strlcat(s, "(f)", sz);
1993 }
1994
1995 void
1996 bar_window_name(char *s, size_t sz, struct swm_region *r)
1997 {
1998         char            *title;
1999
2000         if (r == NULL || r->ws == NULL || r->ws->focus == NULL)
2001                 return;
2002         if ((title = get_win_name(r->ws->focus->id)) == NULL)
2003                 return;
2004
2005         strlcat(s, title, sz);
2006         free(title);
2007 }
2008
2009 void
2010 bar_urgent(char *s, size_t sz)
2011 {
2012         struct ws_win           *win;
2013         int                     i, j, num_screens;
2014         int                     urgent[SWM_WS_MAX];
2015         char                    b[8];
2016         xcb_get_property_cookie_t       c;
2017         xcb_icccm_wm_hints_t    hints;
2018
2019         for (i = 0; i < workspace_limit; i++)
2020                 urgent[i] = 0;
2021
2022         num_screens = get_screen_count();
2023         for (i = 0; i < num_screens; i++)
2024                 for (j = 0; j < workspace_limit; j++)
2025                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
2026                                 c = xcb_icccm_get_wm_hints(conn, win->id);
2027                                 if (xcb_icccm_get_wm_hints_reply(conn, c,
2028                                     &hints, NULL) == 0)
2029                                         continue;
2030                                 if (hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY)
2031                                         urgent[j] = 1;
2032                         }
2033
2034         for (i = 0; i < workspace_limit; i++) {
2035                 if (urgent[i])
2036                         snprintf(b, sizeof b, "%d ", i + 1);
2037                 else
2038                         snprintf(b, sizeof b, "- ");
2039                 strlcat(s, b, sz);
2040         }
2041 }
2042
2043 void
2044 bar_workspace_name(char *s, size_t sz, struct swm_region *r)
2045 {
2046         if (r == NULL || r->ws == NULL)
2047                 return;
2048         if (r->ws->name != NULL)
2049                 strlcat(s, r->ws->name, sz);
2050 }
2051
2052 /* build the default bar format according to the defined enabled options */
2053 void
2054 bar_fmt(const char *fmtexp, char *fmtnew, struct swm_region *r, size_t sz)
2055 {
2056         /* if format provided, just copy the buffers */
2057         if (bar_format != NULL) {
2058                 strlcpy(fmtnew, fmtexp, sz);
2059                 return;
2060         }
2061
2062         /* reset the output buffer */
2063         *fmtnew = '\0';
2064
2065         strlcat(fmtnew, "+N:+I ", sz);
2066         if (stack_enabled)
2067                 strlcat(fmtnew, "+S", sz);
2068         strlcat(fmtnew, " ", sz);
2069
2070         /* only show the workspace name if there's actually one */
2071         if (r != NULL && r->ws != NULL && r->ws->name != NULL)
2072                 strlcat(fmtnew, "<+D>", sz);
2073         strlcat(fmtnew, "+3<", sz);
2074
2075         if (clock_enabled) {
2076                 strlcat(fmtnew, fmtexp, sz);
2077                 strlcat(fmtnew, "+4<", sz);
2078         }
2079
2080         /* bar_urgent already adds the space before the last asterisk */
2081         if (urgent_enabled)
2082                 strlcat(fmtnew, "* +U*+4<", sz);
2083
2084         if (title_class_enabled) {
2085                 strlcat(fmtnew, "+C", sz);
2086                 if (!title_name_enabled)
2087                         strlcat(fmtnew, "+4<", sz);
2088         }
2089
2090         /* checks needed by the colon and floating strlcat(3) calls below */
2091         if (r != NULL && r->ws != NULL && r->ws->focus != NULL) {
2092                 if (title_name_enabled) {
2093                         if (title_class_enabled)
2094                                 strlcat(fmtnew, ":", sz);
2095                         strlcat(fmtnew, "+T+4<", sz);
2096                 }
2097                 if (window_name_enabled) {
2098                         if (r->ws->focus->floating)
2099                                 strlcat(fmtnew, "+F ", sz);
2100                         strlcat(fmtnew, "+64W ", sz);
2101                 }
2102         }
2103
2104         /* finally add the action script output and the version */
2105         strlcat(fmtnew, "+4<+A+4<+V", sz);
2106 }
2107
2108 void
2109 bar_replace_pad(char *tmp, int *limit, size_t sz)
2110 {
2111         /* special case; no limit given, pad one space, instead */
2112         if (*limit == (int)sz - 1)
2113                 *limit = 1;
2114         snprintf(tmp, sz, "%*s", *limit, " ");
2115 }
2116
2117 /* replaces the bar format character sequences (like in tmux(1)) */
2118 char *
2119 bar_replace_seq(char *fmt, char *fmtrep, struct swm_region *r, size_t *offrep,
2120     size_t sz)
2121 {
2122         char                    *ptr;
2123         char                    tmp[SWM_BAR_MAX];
2124         int                     limit, size;
2125         size_t                  len;
2126
2127         /* reset strlcat(3) buffer */
2128         *tmp = '\0';
2129
2130         /* get number, if any */
2131         fmt++;
2132         size = 0;
2133         if (sscanf(fmt, "%d%n", &limit, &size) != 1)
2134                 limit = sizeof tmp - 1;
2135         if (limit <= 0 || limit >= (int)sizeof tmp)
2136                 limit = sizeof tmp - 1;
2137
2138         /* there is nothing to replace (ie EOL) */
2139         fmt += size;
2140         if (*fmt == '\0')
2141                 return (fmt);
2142
2143         switch (*fmt) {
2144         case '<':
2145                 bar_replace_pad(tmp, &limit, sizeof tmp);
2146                 break;
2147         case 'A':
2148                 snprintf(tmp, sizeof tmp, "%s", bar_ext);
2149                 break;
2150         case 'C':
2151                 bar_class_name(tmp, sizeof tmp, r);
2152                 break;
2153         case 'D':
2154                 bar_workspace_name(tmp, sizeof tmp, r);
2155                 break;
2156         case 'F':
2157                 bar_window_float(tmp, sizeof tmp, r);
2158                 break;
2159         case 'I':
2160                 snprintf(tmp, sizeof tmp, "%d", r->ws->idx + 1);
2161                 break;
2162         case 'N':
2163                 snprintf(tmp, sizeof tmp, "%d", r->s->idx + 1);
2164                 break;
2165         case 'P':
2166                 bar_class_title_name(tmp, sizeof tmp, r);
2167                 break;
2168         case 'S':
2169                 snprintf(tmp, sizeof tmp, "%s", r->ws->stacker);
2170                 break;
2171         case 'T':
2172                 bar_title_name(tmp, sizeof tmp, r);
2173                 break;
2174         case 'U':
2175                 bar_urgent(tmp, sizeof tmp);
2176                 break;
2177         case 'V':
2178                 snprintf(tmp, sizeof tmp, "%s", bar_vertext);
2179                 break;
2180         case 'W':
2181                 bar_window_name(tmp, sizeof tmp, r);
2182                 break;
2183         default:
2184                 /* unknown character sequence; copy as-is */
2185                 snprintf(tmp, sizeof tmp, "+%c", *fmt);
2186                 break;
2187         }
2188
2189         len = strlen(tmp);
2190         ptr = tmp;
2191         if ((int)len < limit)
2192                 limit = len;
2193         while (limit-- > 0) {
2194                 if (*offrep >= sz - 1)
2195                         break;
2196                 fmtrep[(*offrep)++] = *ptr++;
2197         }
2198
2199         fmt++;
2200         return (fmt);
2201 }
2202
2203 void
2204 bar_replace(char *fmt, char *fmtrep, struct swm_region *r, size_t sz)
2205 {
2206         size_t                  off;
2207
2208         off = 0;
2209         while (*fmt != '\0') {
2210                 if (*fmt != '+') {
2211                         /* skip ordinary characters */
2212                         if (off >= sz - 1)
2213                                 break;
2214                         fmtrep[off++] = *fmt++;
2215                         continue;
2216                 }
2217
2218                 /* character sequence found; replace it */
2219                 fmt = bar_replace_seq(fmt, fmtrep, r, &off, sz);
2220                 if (off >= sz - 1)
2221                         break;
2222         }
2223
2224         fmtrep[off] = '\0';
2225 }
2226
2227 void
2228 bar_fmt_expand(char *fmtexp, size_t sz)
2229 {
2230         char                    *fmt = NULL;
2231         size_t                  len;
2232         struct tm               tm;
2233         time_t                  tmt;
2234
2235         /* start by grabbing the current time and date */
2236         time(&tmt);
2237         localtime_r(&tmt, &tm);
2238
2239         /* figure out what to expand */
2240         if (bar_format != NULL)
2241                 fmt = bar_format;
2242         else if (bar_format == NULL && clock_enabled)
2243                 fmt = clock_format;
2244         /* if nothing to expand bail out */
2245         if (fmt == NULL) {
2246                 *fmtexp = '\0';
2247                 return;
2248         }
2249
2250         /* copy as-is, just in case the format shouldn't be expanded below */
2251         strlcpy(fmtexp, fmt, sz);
2252         /* finally pass the string through strftime(3) */
2253 #ifndef SWM_DENY_CLOCK_FORMAT
2254         if ((len = strftime(fmtexp, sz, fmt, &tm)) == 0)
2255                 warnx("format too long");
2256         fmtexp[len] = '\0';
2257 #endif
2258 }
2259
2260 /* Redraws the bar; need to follow with xcb_flush() or focus_flush(). */
2261 void
2262 bar_draw(void)
2263 {
2264         char                    fmtexp[SWM_BAR_MAX], fmtnew[SWM_BAR_MAX];
2265         char                    fmtrep[SWM_BAR_MAX];
2266         int                     i, num_screens;
2267         struct swm_region       *r;
2268
2269         /* expand the format by first passing it through strftime(3) */
2270         bar_fmt_expand(fmtexp, sizeof fmtexp);
2271
2272         num_screens = get_screen_count();
2273         for (i = 0; i < num_screens; i++) {
2274                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
2275                         if (r->bar == NULL)
2276                                 continue;
2277
2278                         if (bar_enabled && r->ws->bar_enabled)
2279                                 xcb_map_window(conn, r->bar->id);
2280                         else {
2281                                 xcb_unmap_window(conn, r->bar->id);
2282                                 continue;
2283                         }
2284
2285                         if (startup_exception)
2286                                 snprintf(fmtrep, sizeof fmtrep, "total "
2287                                     "exceptions: %d, first exception: %s",
2288                                     nr_exceptions,
2289                                     startup_exception);
2290                         else {
2291                                 bar_fmt(fmtexp, fmtnew, r, sizeof fmtnew);
2292                                 bar_replace(fmtnew, fmtrep, r, sizeof fmtrep);
2293                         }
2294                         if (bar_font_legacy)
2295                                 bar_print_legacy(r, fmtrep);
2296                         else
2297                                 bar_print(r, fmtrep);
2298                 }
2299         }
2300 }
2301
2302 /*
2303  * Reads external script output; call when stdin is readable.
2304  * Returns 1 if bar_ext was updated; otherwise 0.
2305  */
2306 int
2307 bar_extra_update(void)
2308 {
2309         size_t          len;
2310         char            b[SWM_BAR_MAX];
2311         int             changed = 0;
2312
2313         if (!bar_extra)
2314                 return changed;
2315
2316         while (fgets(b, sizeof(b), stdin) != NULL) {
2317                 if (bar_enabled) {
2318                         len = strlen(b);
2319                         if (b[len - 1] == '\n') {
2320                                 /* Remove newline. */
2321                                 b[--len] = '\0';
2322
2323                                 /* "Clear" bar_ext. */
2324                                 bar_ext[0] = '\0';
2325
2326                                 /* Flush buffered output. */
2327                                 strlcpy(bar_ext, bar_ext_buf, sizeof(bar_ext));
2328                                 bar_ext_buf[0] = '\0';
2329
2330                                 /* Append new output to bar. */
2331                                 strlcat(bar_ext, b, sizeof(bar_ext));
2332
2333                                 changed = 1;
2334                         } else {
2335                                 /* Buffer output. */
2336                                 strlcat(bar_ext_buf, b, sizeof(bar_ext_buf));
2337                         }
2338                 }
2339         }
2340
2341         if (errno != EAGAIN) {
2342                 warn("bar_action failed");
2343                 bar_extra_stop();
2344                 changed = 1;
2345         }
2346
2347         return changed;
2348 }
2349
2350 void
2351 bar_toggle(struct swm_region *r, union arg *args)
2352 {
2353         struct swm_region       *tmpr;
2354         int                     i, num_screens;
2355
2356         /* suppress unused warnings since vars are needed */
2357         (void)r;
2358         (void)args;
2359
2360         DNPRINTF(SWM_D_BAR, "bar_toggle\n");
2361
2362         switch (args->id) {
2363         case SWM_ARG_ID_BAR_TOGGLE_WS:
2364                 /* Only change if master switch is enabled. */
2365                 if (bar_enabled)
2366                         r->ws->bar_enabled = !r->ws->bar_enabled;
2367                 else
2368                         bar_enabled = r->ws->bar_enabled = 1;
2369                 break;
2370         case SWM_ARG_ID_BAR_TOGGLE:
2371                 bar_enabled = !bar_enabled;
2372                 break;
2373         }
2374
2375         /* update bars as necessary */
2376         num_screens = get_screen_count();
2377         for (i = 0; i < num_screens; i++)
2378                 TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
2379                         if (tmpr->bar) {
2380                                 if (bar_enabled && tmpr->ws->bar_enabled)
2381                                         xcb_map_window(conn, tmpr->bar->id);
2382                                 else
2383                                         xcb_unmap_window(conn, tmpr->bar->id);
2384                         }
2385
2386         stack();
2387
2388         /* must be after stack */
2389         bar_draw();
2390
2391         focus_flush();
2392 }
2393
2394 void
2395 bar_extra_setup(void)
2396 {
2397         /* do this here because the conf file is in memory */
2398         if (!bar_extra && bar_argv[0]) {
2399                 /* launch external status app */
2400                 bar_extra = 1;
2401                 if (pipe(bar_pipe) == -1)
2402                         err(1, "pipe error");
2403                 socket_setnonblock(bar_pipe[0]);
2404                 socket_setnonblock(bar_pipe[1]); /* XXX hmmm, really? */
2405
2406                 /* Set stdin to read from the pipe. */
2407                 if (dup2(bar_pipe[0], STDIN_FILENO) == -1)
2408                         err(1, "dup2");
2409
2410                 /* Set stdout to write to the pipe. */
2411                 if (dup2(bar_pipe[1], STDOUT_FILENO) == -1)
2412                         err(1, "dup2");
2413
2414                 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
2415                         err(1, "could not disable SIGPIPE");
2416                 switch (bar_pid = fork()) {
2417                 case -1:
2418                         err(1, "cannot fork");
2419                         break;
2420                 case 0: /* child */
2421                         close(bar_pipe[0]);
2422                         execvp(bar_argv[0], bar_argv);
2423                         err(1, "%s external app failed", bar_argv[0]);
2424                         break;
2425                 default: /* parent */
2426                         close(bar_pipe[1]);
2427                         break;
2428                 }
2429
2430                 atexit(kill_bar_extra_atexit);
2431         }
2432 }
2433
2434 void
2435 kill_bar_extra_atexit(void)
2436 {
2437         if (bar_pid)
2438                 kill(bar_pid, SIGTERM);
2439 }
2440
2441 int
2442 isxlfd(char *s)
2443 {
2444         int      count = 0;
2445
2446         while ((s = index(s, '-'))) {
2447                 ++count;
2448                 ++s;
2449         }
2450
2451         return (count == 14);
2452 }
2453
2454 void
2455 fontset_init(void)
2456 {
2457         char                    *default_string;
2458         char                    **missing_charsets;
2459         int                     num_missing_charsets = 0;
2460         int                     i;
2461
2462         if (bar_fs) {
2463                 XFreeFontSet(display, bar_fs);
2464                 bar_fs = NULL;
2465         }
2466
2467         DNPRINTF(SWM_D_INIT, "fontset_init: loading bar_fonts: %s\n", bar_fonts);
2468
2469         bar_fs = XCreateFontSet(display, bar_fonts, &missing_charsets,
2470             &num_missing_charsets, &default_string);
2471
2472         if (num_missing_charsets > 0) {
2473                 warnx("Unable to load charset(s):");
2474
2475                 for (i = 0; i < num_missing_charsets; ++i)
2476                         warnx("%s", missing_charsets[i]);
2477
2478                 XFreeStringList(missing_charsets);
2479
2480                 if (strcmp(default_string, ""))
2481                         warnx("Glyphs from those sets will be replaced "
2482                             "by '%s'.", default_string);
2483                 else
2484                         warnx("Glyphs from those sets won't be drawn.");
2485         }
2486
2487         if (bar_fs == NULL)
2488                 errx(1, "Error creating font set structure.");
2489
2490         bar_fs_extents = XExtentsOfFontSet(bar_fs);
2491
2492         bar_height = bar_fs_extents->max_logical_extent.height +
2493             2 * bar_border_width;
2494
2495         if (bar_height < 1)
2496                 bar_height = 1;
2497 }
2498
2499 void
2500 xft_init(struct swm_region *r)
2501 {
2502         char                    *font, *d, *search;
2503         XRenderColor            color;
2504
2505         if (bar_font == NULL) {
2506                 if ((d = strdup(bar_fonts)) == NULL)
2507                         errx(1, "insufficient memory.");
2508                 search = d;
2509                 while ((font = strsep(&search, ",")) != NULL) {
2510                         if (*font == '\0')
2511                                 continue;
2512
2513                         DNPRINTF(SWM_D_INIT, "xft_init: try font %s\n", font);
2514
2515                         if (isxlfd(font)) {
2516                                 bar_font = XftFontOpenXlfd(display, r->s->idx,
2517                                                 font);
2518                         } else {
2519                                 bar_font = XftFontOpenName(display, r->s->idx,
2520                                                 font);
2521                         }
2522
2523                         if (bar_font == NULL) {
2524                                 warnx("unable to load font %s", font);
2525                                 continue;
2526                         } else {
2527                                 DNPRINTF(SWM_D_INIT, "successfully opened "
2528                                     "font %s\n", font);
2529                                 break;
2530                         }
2531                 }
2532                 free(d);
2533         }
2534
2535         if (bar_font == NULL)
2536                 errx(1, "unable to open a font");
2537
2538         PIXEL_TO_XRENDERCOLOR(r->s->c[SWM_S_COLOR_BAR_FONT].pixel, color);
2539
2540         if (!XftColorAllocValue(display, DefaultVisual(display, r->s->idx),
2541             DefaultColormap(display, r->s->idx), &color, &bar_font_color))
2542                 warn("Xft error: unable to allocate color.");
2543
2544         bar_height = bar_font->height + 2 * bar_border_width;
2545
2546         if (bar_height < 1)
2547                 bar_height = 1;
2548 }
2549
2550 void
2551 bar_setup(struct swm_region *r)
2552 {
2553         xcb_screen_t    *screen;
2554         uint32_t         wa[3];
2555
2556         DNPRINTF(SWM_D_BAR, "bar_setup: screen %d.\n",
2557             r->s->idx);
2558
2559         if ((screen = get_screen(r->s->idx)) == NULL)
2560                 errx(1, "ERROR: can't get screen %d.", r->s->idx);
2561
2562         if (r->bar != NULL)
2563                 return;
2564
2565         if ((r->bar = calloc(1, sizeof(struct swm_bar))) == NULL)
2566                 err(1, "bar_setup: calloc: failed to allocate memory.");
2567
2568         if (bar_font_legacy)
2569                 fontset_init();
2570         else
2571                 xft_init(r);
2572
2573         X(r->bar) = X(r);
2574         Y(r->bar) = bar_at_bottom ? (Y(r) + HEIGHT(r) - bar_height) : Y(r);
2575         WIDTH(r->bar) = WIDTH(r) - 2 * bar_border_width;
2576         HEIGHT(r->bar) = bar_height - 2 * bar_border_width;
2577
2578         /* Assume region is unfocused when we create the bar. */
2579         r->bar->id = xcb_generate_id(conn);
2580         wa[0] = r->s->c[SWM_S_COLOR_BAR].pixel;
2581         wa[1] = r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel;
2582         wa[2] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_POINTER_MOTION |
2583             XCB_EVENT_MASK_POINTER_MOTION_HINT;
2584
2585         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->bar->id, r->s->root,
2586             X(r->bar), Y(r->bar), WIDTH(r->bar), HEIGHT(r->bar),
2587             bar_border_width, XCB_WINDOW_CLASS_INPUT_OUTPUT,
2588             XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL
2589             | XCB_CW_EVENT_MASK, wa);
2590
2591         r->bar->buffer = xcb_generate_id(conn);
2592         xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
2593             WIDTH(r->bar), HEIGHT(r->bar));
2594
2595         if (xrandr_support)
2596                 xcb_randr_select_input(conn, r->bar->id,
2597                     XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
2598
2599         if (bar_enabled)
2600                 xcb_map_window(conn, r->bar->id);
2601
2602         DNPRINTF(SWM_D_BAR, "bar_setup: window: 0x%x, (x,y) w x h: (%d,%d) "
2603             "%d x %d\n", WINID(r->bar), X(r->bar), Y(r->bar), WIDTH(r->bar),
2604             HEIGHT(r->bar));
2605
2606         bar_extra_setup();
2607 }
2608
2609 void
2610 bar_cleanup(struct swm_region *r)
2611 {
2612         if (r->bar == NULL)
2613                 return;
2614         xcb_destroy_window(conn, r->bar->id);
2615         xcb_free_pixmap(conn, r->bar->buffer);
2616         free(r->bar);
2617         r->bar = NULL;
2618 }
2619
2620 void
2621 set_win_state(struct ws_win *win, uint16_t state)
2622 {
2623         uint16_t                data[2] = { state, XCB_ATOM_NONE };
2624
2625         DNPRINTF(SWM_D_EVENT, "set_win_state: window: 0x%x, state: %u\n",
2626             win->id, state);
2627
2628         if (win == NULL)
2629                 return;
2630
2631         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id, a_state,
2632             a_state, 32, 2, data);
2633 }
2634
2635 uint32_t
2636 getstate(xcb_window_t w)
2637 {
2638         uint32_t                        result = 0;
2639         xcb_get_property_cookie_t       c;
2640         xcb_get_property_reply_t        *r;
2641
2642         c = xcb_get_property(conn, 0, w, a_state, a_state, 0L, 2L);
2643         r = xcb_get_property_reply(conn, c, NULL);
2644         if (r) {
2645                 if (r->type == a_state && r->format == 32 && r->length == 2)
2646                         result = *((uint32_t *)xcb_get_property_value(r));
2647                 free(r);
2648         }
2649
2650         DNPRINTF(SWM_D_MISC, "getstate property: win 0x%x state %u\n", w,
2651             result);
2652         return (result);
2653 }
2654
2655 void
2656 version(struct swm_region *r, union arg *args)
2657 {
2658         /* suppress unused warnings since vars are needed */
2659         (void)r;
2660         (void)args;
2661
2662         bar_version = !bar_version;
2663         if (bar_version)
2664                 snprintf(bar_vertext, sizeof bar_vertext,
2665                     "Version: %s Build: %s", SPECTRWM_VERSION, buildstr);
2666         else
2667                 strlcpy(bar_vertext, "", sizeof bar_vertext);
2668
2669         bar_draw();
2670         xcb_flush(conn);
2671 }
2672
2673 void
2674 client_msg(struct ws_win *win, xcb_atom_t a, xcb_timestamp_t t)
2675 {
2676         xcb_client_message_event_t      ev;
2677 #ifdef SWM_DEBUG
2678         char                            *name;
2679 #endif
2680
2681         if (win == NULL)
2682                 return;
2683 #ifdef SWM_DEBUG
2684         name = get_atom_name(a);
2685         DNPRINTF(SWM_D_EVENT, "client_msg: window: 0x%x, atom: %s(%u), "
2686             "time: %#x\n",
2687             win->id, name, a, t);
2688         free(name);
2689 #endif
2690
2691         bzero(&ev, sizeof ev);
2692         ev.response_type = XCB_CLIENT_MESSAGE;
2693         ev.window = win->id;
2694         ev.type = a_prot;
2695         ev.format = 32;
2696         ev.data.data32[0] = a;
2697         ev.data.data32[1] = t;
2698
2699         xcb_send_event(conn, 0, win->id,
2700             XCB_EVENT_MASK_NO_EVENT, (const char *)&ev);
2701 }
2702
2703 /* synthetic response to a ConfigureRequest when not making a change */
2704 void
2705 config_win(struct ws_win *win, xcb_configure_request_event_t *ev)
2706 {
2707         xcb_configure_notify_event_t ce;
2708
2709         if (win == NULL)
2710                 return;
2711
2712         /* send notification of unchanged state. */
2713         bzero(&ce, sizeof(ce));
2714         ce.response_type = XCB_CONFIGURE_NOTIFY;
2715         ce.x = X(win);
2716         ce.y = Y(win);
2717         ce.width = WIDTH(win);
2718         ce.height = HEIGHT(win);
2719         ce.override_redirect = 0;
2720
2721         if (ev == NULL) {
2722                 /* EWMH */
2723                 ce.event = win->id;
2724                 ce.window = win->id;
2725                 ce.border_width = BORDER(win);
2726                 ce.above_sibling = XCB_WINDOW_NONE;
2727         } else {
2728                 /* normal */
2729                 ce.event = ev->window;
2730                 ce.window = ev->window;
2731
2732                 /* make response appear more WM_SIZE_HINTS-compliant */
2733                 if (win->sh.flags) {
2734                         DNPRINTF(SWM_D_MISC, "config_win: hints: window: 0x%x,"
2735                             " sh.flags: %u, min: %d x %d, max: %d x %d, inc: "
2736                             "%d x %d\n", win->id, win->sh.flags, SH_MIN_W(win),
2737                             SH_MIN_H(win), SH_MAX_W(win), SH_MAX_H(win),
2738                             SH_INC_W(win), SH_INC_H(win));
2739                 }
2740
2741                 /* min size */
2742                 if (SH_MIN(win)) {
2743                         /* the hint may be set... to 0! */
2744                         if (SH_MIN_W(win) > 0 && ce.width < SH_MIN_W(win))
2745                                 ce.width = SH_MIN_W(win);
2746                         if (SH_MIN_H(win) > 0 && ce.height < SH_MIN_H(win))
2747                                 ce.height = SH_MIN_H(win);
2748                 }
2749
2750                 /* max size */
2751                 if (SH_MAX(win)) {
2752                         /* may also be advertized as 0 */
2753                         if (SH_MAX_W(win) > 0 && ce.width > SH_MAX_W(win))
2754                                 ce.width = SH_MAX_W(win);
2755                         if (SH_MAX_H(win) > 0 && ce.height > SH_MAX_H(win))
2756                                 ce.height = SH_MAX_H(win);
2757                 }
2758
2759                 /* resize increment. */
2760                 if (SH_INC(win)) {
2761                         if (SH_INC_W(win) > 1 && ce.width > SH_INC_W(win))
2762                                 ce.width -= (ce.width - SH_MIN_W(win)) %
2763                                     SH_INC_W(win);
2764                         if (SH_INC_H(win) > 1 && ce.height > SH_INC_H(win))
2765                                 ce.height -= (ce.height - SH_MIN_H(win)) %
2766                                     SH_INC_H(win);
2767                 }
2768
2769                 /* adjust x and y for requested border_width. */
2770                 ce.x += BORDER(win) - ev->border_width;
2771                 ce.y += BORDER(win) - ev->border_width;
2772                 ce.border_width = ev->border_width;
2773                 ce.above_sibling = ev->sibling;
2774         }
2775
2776         DNPRINTF(SWM_D_MISC, "config_win: ewmh: %s, window: 0x%x, (x,y) w x h: "
2777             "(%d,%d) %d x %d, border: %d\n", YESNO(ev == NULL), win->id, ce.x,
2778             ce.y, ce.width, ce.height, ce.border_width);
2779
2780         xcb_send_event(conn, 0, win->id, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
2781             (char *)&ce);
2782 }
2783
2784 int
2785 count_win(struct workspace *ws, int count_transient)
2786 {
2787         struct ws_win           *win;
2788         int                     count = 0;
2789
2790         TAILQ_FOREACH(win, &ws->winlist, entry) {
2791                 if (!count_transient && win->floating)
2792                         continue;
2793                 if (!count_transient && win->transient)
2794                         continue;
2795                 if (win->iconic)
2796                         continue;
2797                 count++;
2798         }
2799         DNPRINTF(SWM_D_MISC, "count_win: %d\n", count);
2800
2801         return (count);
2802 }
2803
2804 void
2805 quit(struct swm_region *r, union arg *args)
2806 {
2807         /* suppress unused warnings since vars are needed */
2808         (void)r;
2809         (void)args;
2810
2811         DNPRINTF(SWM_D_MISC, "quit\n");
2812         running = 0;
2813 }
2814
2815 void
2816 map_window(struct ws_win *win, xcb_window_t sibling)
2817 {
2818         uint16_t                mode = XCB_CONFIG_WINDOW_STACK_MODE;
2819         uint32_t                val[2];
2820         int                     i = 0;
2821
2822         /* If sibling is specified, stack right above it. */
2823         if (sibling != XCB_WINDOW_NONE) {
2824                 mode |= XCB_CONFIG_WINDOW_SIBLING;
2825                 val[i++] = sibling;
2826         }
2827
2828         val[i] = XCB_STACK_MODE_ABOVE;
2829
2830         if (win == NULL)
2831                 return;
2832
2833         DNPRINTF(SWM_D_EVENT, "map_window: win 0x%x, mapped: %s, "
2834             "sibling: 0x%x\n", win->id, YESNO(win->mapped), sibling);
2835
2836         xcb_configure_window(conn, win->id, mode, val);
2837
2838         if (win->mapped)
2839                 return;
2840
2841         xcb_map_window(conn, win->id);
2842         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
2843         win->mapped = 1;
2844 }
2845
2846 void
2847 unmap_window(struct ws_win *win)
2848 {
2849         if (win == NULL)
2850                 return;
2851
2852         DNPRINTF(SWM_D_EVENT, "unmap_window: win 0x%x, mapped: %s\n", win->id,
2853             YESNO(win->mapped));
2854
2855         if (!win->mapped)
2856                 return;
2857
2858         xcb_unmap_window(conn, win->id);
2859         set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
2860         win->mapped = 0;
2861 }
2862
2863 void
2864 unmap_all(void)
2865 {
2866         struct ws_win           *win;
2867         int                     i, j, num_screens;
2868
2869         num_screens = get_screen_count();
2870         for (i = 0; i < num_screens; i++)
2871                 for (j = 0; j < workspace_limit; j++)
2872                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
2873                                 unmap_window(win);
2874 }
2875
2876 void
2877 fake_keypress(struct ws_win *win, xcb_keysym_t keysym, uint16_t modifiers)
2878 {
2879         xcb_key_press_event_t   event;
2880         xcb_keycode_t           *keycode;
2881
2882         if (win == NULL)
2883                 return;
2884
2885         keycode = xcb_key_symbols_get_keycode(syms, keysym);
2886
2887         DNPRINTF(SWM_D_MISC, "fake_keypress: win 0x%x keycode %u\n",
2888             win->id, *keycode);
2889
2890         bzero(&event, sizeof(event));
2891         event.event = win->id;
2892         event.root = win->s->root;
2893         event.child = XCB_WINDOW_NONE;
2894         event.time = XCB_CURRENT_TIME;
2895         event.event_x = X(win);
2896         event.event_y = Y(win);
2897         event.root_x = 1;
2898         event.root_y = 1;
2899         event.same_screen = 1;
2900         event.detail = *keycode;
2901         event.state = modifiers;
2902
2903         event.response_type = XCB_KEY_PRESS;
2904         xcb_send_event(conn, 1, win->id,
2905             XCB_EVENT_MASK_KEY_PRESS, (const char *)&event);
2906
2907         event.response_type = XCB_KEY_RELEASE;
2908         xcb_send_event(conn, 1, win->id,
2909             XCB_EVENT_MASK_KEY_RELEASE, (const char *)&event);
2910
2911         free(keycode);
2912 }
2913
2914 void
2915 restart(struct swm_region *r, union arg *args)
2916 {
2917         /* suppress unused warning since var is needed */
2918         (void)r;
2919         (void)args;
2920
2921         DNPRINTF(SWM_D_MISC, "restart: %s\n", start_argv[0]);
2922
2923         shutdown_cleanup();
2924
2925         execvp(start_argv[0], start_argv);
2926         warn("execvp failed");
2927         quit(NULL, NULL);
2928 }
2929
2930 struct ws_win *
2931 get_pointer_win(xcb_window_t root)
2932 {
2933         struct ws_win                   *win = NULL;
2934         xcb_query_pointer_reply_t       *r;
2935
2936         DNPRINTF(SWM_D_EVENT, "get_pointer_win: root: 0x%x.\n", root);
2937
2938         r = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL);
2939         if (r) {
2940                 win = find_window(r->child);
2941                 if (win) {
2942                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: 0x%x.\n",
2943                             win->id);
2944                 } else {
2945                         DNPRINTF(SWM_D_EVENT, "get_pointer_win: none.\n");
2946                 }
2947                 free(r);
2948         }
2949
2950         return win;
2951 }
2952
2953 struct swm_region *
2954 root_to_region(xcb_window_t root, int check)
2955 {
2956         struct ws_win                   *cfw;
2957         struct swm_region               *r = NULL;
2958         int                             i, num_screens;
2959         xcb_query_pointer_reply_t       *qpr;
2960         xcb_get_input_focus_reply_t     *gifr;
2961
2962         DNPRINTF(SWM_D_MISC, "root_to_region: window: 0x%x\n", root);
2963
2964         num_screens = get_screen_count();
2965         for (i = 0; i < num_screens; i++)
2966                 if (screens[i].root == root)
2967                         break;
2968
2969         if (check & SWM_CK_REGION)
2970                 r = screens[i].r_focus;
2971
2972         if (r == NULL && check & SWM_CK_FOCUS) {
2973                 /* Try to find an actively focused window */
2974                 gifr = xcb_get_input_focus_reply(conn,
2975                     xcb_get_input_focus(conn), NULL);
2976                 if (gifr) {
2977                         cfw = find_window(gifr->focus);
2978                         if (cfw && cfw->ws->r)
2979                                 r = cfw->ws->r;
2980
2981                         free(gifr);
2982                 }
2983         }
2984
2985         if (r == NULL && check & SWM_CK_POINTER) {
2986                 /* No region with an active focus; try to use pointer. */
2987                 qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn,
2988                     screens[i].root), NULL);
2989                 if (qpr) {
2990                         DNPRINTF(SWM_D_MISC, "root_to_region: pointer: "
2991                             "(%d,%d)\n", qpr->root_x, qpr->root_y);
2992                         TAILQ_FOREACH(r, &screens[i].rl, entry)
2993                                 if (X(r) <= qpr->root_x &&
2994                                     qpr->root_x < MAX_X(r) &&
2995                                     Y(r) <= qpr->root_y &&
2996                                     qpr->root_y < MAX_Y(r))
2997                                         break;
2998                         free(qpr);
2999                 }
3000         }
3001
3002         /* Last resort. */
3003         if (r == NULL && check & SWM_CK_FALLBACK)
3004                 r = TAILQ_FIRST(&screens[i].rl);
3005
3006         DNPRINTF(SWM_D_MISC, "root_to_region: idx: %d\n", get_region_index(r));
3007
3008         return (r);
3009 }
3010
3011 struct ws_win *
3012 find_unmanaged_window(xcb_window_t id)
3013 {
3014         struct ws_win           *win;
3015         int                     i, j, num_screens;
3016
3017         num_screens = get_screen_count();
3018         for (i = 0; i < num_screens; i++)
3019                 for (j = 0; j < workspace_limit; j++)
3020                         TAILQ_FOREACH(win, &screens[i].ws[j].unmanagedlist,
3021                             entry)
3022                                 if (id == win->id)
3023                                         return (win);
3024         return (NULL);
3025 }
3026
3027 struct ws_win *
3028 find_window(xcb_window_t id)
3029 {
3030         struct ws_win           *win;
3031         int                     i, j, num_screens;
3032         xcb_query_tree_reply_t  *r;
3033
3034         num_screens = get_screen_count();
3035         for (i = 0; i < num_screens; i++)
3036                 for (j = 0; j < workspace_limit; j++)
3037                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3038                                 if (id == win->id)
3039                                         return (win);
3040
3041         r = xcb_query_tree_reply(conn, xcb_query_tree(conn, id), NULL);
3042         if (r == NULL)
3043                 return (NULL);
3044
3045         /* if we were looking for the parent return that window instead */
3046         if (r->parent == 0 || r->root == r->parent) {
3047                 free(r);
3048                 return (NULL);
3049         }
3050
3051         /* look for parent */
3052         for (i = 0; i < num_screens; i++)
3053                 for (j = 0; j < workspace_limit; j++)
3054                         TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry)
3055                                 if (r->parent == win->id) {
3056                                         free(r);
3057                                         return (win);
3058                                 }
3059
3060         free(r);
3061         return (NULL);
3062 }
3063
3064 void
3065 spawn(int ws_idx, union arg *args, int close_fd)
3066 {
3067         int                     fd;
3068         char                    *ret = NULL;
3069
3070         DNPRINTF(SWM_D_MISC, "spawn: %s\n", args->argv[0]);
3071
3072         close(xcb_get_file_descriptor(conn));
3073
3074         setenv("LD_PRELOAD", SWM_LIB, 1);
3075
3076         if (asprintf(&ret, "%d", ws_idx) == -1) {
3077                 warn("spawn: asprintf SWM_WS");
3078                 _exit(1);
3079         }
3080         setenv("_SWM_WS", ret, 1);
3081         free(ret);
3082         ret = NULL;
3083
3084         if (asprintf(&ret, "%d", getpid()) == -1) {
3085                 warn("spawn: asprintf _SWM_PID");
3086                 _exit(1);
3087         }
3088         setenv("_SWM_PID", ret, 1);
3089         free(ret);
3090         ret = NULL;
3091
3092         if (setsid() == -1) {
3093                 warn("spawn: setsid");
3094                 _exit(1);
3095         }
3096
3097         if (close_fd) {
3098                 /*
3099                  * close stdin and stdout to prevent interaction between apps
3100                  * and the baraction script
3101                  * leave stderr open to record errors
3102                 */
3103                 if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) == -1) {
3104                         warn("spawn: open");
3105                         _exit(1);
3106                 }
3107                 dup2(fd, STDIN_FILENO);
3108                 dup2(fd, STDOUT_FILENO);
3109                 if (fd > 2)
3110                         close(fd);
3111         }
3112
3113         execvp(args->argv[0], args->argv);
3114
3115         warn("spawn: execvp");
3116         _exit(1);
3117 }
3118
3119 void
3120 kill_refs(struct ws_win *win)
3121 {
3122         int                     i, x, num_screens;
3123         struct swm_region       *r;
3124         struct workspace        *ws;
3125
3126         if (win == NULL)
3127                 return;
3128
3129         num_screens = get_screen_count();
3130         for (i = 0; i < num_screens; i++)
3131                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3132                         for (x = 0; x < workspace_limit; x++) {
3133                                 ws = &r->s->ws[x];
3134                                 if (win == ws->focus)
3135                                         ws->focus = NULL;
3136                                 if (win == ws->focus_prev)
3137                                         ws->focus_prev = NULL;
3138                         }
3139 }
3140
3141 int
3142 validate_win(struct ws_win *testwin)
3143 {
3144         struct ws_win           *win;
3145         struct workspace        *ws;
3146         struct swm_region       *r;
3147         int                     i, x, num_screens;
3148
3149         if (testwin == NULL)
3150                 return (0);
3151
3152         num_screens = get_screen_count();
3153         for (i = 0; i < num_screens; i++)
3154                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3155                         for (x = 0; x < workspace_limit; x++) {
3156                                 ws = &r->s->ws[x];
3157                                 TAILQ_FOREACH(win, &ws->winlist, entry)
3158                                         if (win == testwin)
3159                                                 return (0);
3160                         }
3161         return (1);
3162 }
3163
3164 int
3165 validate_ws(struct workspace *testws)
3166 {
3167         struct swm_region       *r;
3168         struct workspace        *ws;
3169         int                     i, x, num_screens;
3170
3171         /* validate all ws */
3172         num_screens = get_screen_count();
3173         for (i = 0; i < num_screens; i++)
3174                 TAILQ_FOREACH(r, &screens[i].rl, entry)
3175                         for (x = 0; x < workspace_limit; x++) {
3176                                 ws = &r->s->ws[x];
3177                                 if (ws == testws)
3178                                         return (0);
3179                         }
3180         return (1);
3181 }
3182
3183 xcb_window_t
3184 get_sibling(struct ws_win *win, int mode)
3185 {
3186         struct ws_win           *w = win;
3187
3188         switch (mode) {
3189         case SWM_STACK_TOP:
3190                 TAILQ_FOREACH_REVERSE(w, &w->ws->winlist, ws_win_list, entry)
3191                         if (w != win && !w->floating && !w->iconic)
3192                                 break;
3193                 break;
3194         case SWM_STACK_ABOVE:
3195                 do {
3196                         w = TAILQ_NEXT(w, entry);
3197                 } while (w != NULL && (w == win || w->floating || w->iconic));
3198                 break;
3199         case SWM_STACK_BELOW:
3200                 do {
3201                         w = TAILQ_PREV(w, ws_win_list, entry);
3202                 } while (w != NULL && (w == win || w->floating || w->iconic));
3203                 break;
3204         case SWM_STACK_BOTTOM:
3205                 TAILQ_FOREACH(w, &w->ws->winlist, entry)
3206                         if (w != win && !w->floating && !w->iconic)
3207                                 break;
3208                 break;
3209         default:
3210                 w = NULL;
3211         }
3212
3213         if (w == NULL)
3214                 return (win->ws->r->id);
3215         else
3216                 return (w->id);
3217 }
3218
3219 void
3220 unfocus_win(struct ws_win *win)
3221 {
3222         xcb_window_t            none = XCB_WINDOW_NONE;
3223
3224         DNPRINTF(SWM_D_FOCUS, "unfocus_win: window: 0x%x\n", WINID(win));
3225
3226         if (win == NULL)
3227                 return;
3228         if (win->ws == NULL) {
3229                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL ws.\n");
3230                 return;
3231         }
3232
3233         if (validate_ws(win->ws)) {
3234                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid ws.\n");
3235                 return;
3236         }
3237
3238         if (win->ws->r == NULL) {
3239                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: NULL region.\n");
3240                 return;
3241         }
3242
3243         if (validate_win(win)) {
3244                 DNPRINTF(SWM_D_FOCUS, "unfocus_win: invalid win.\n");
3245                 kill_refs(win);
3246                 return;
3247         }
3248
3249         if (win->ws->focus == win) {
3250                 if (tile_gap < 0 && !win->floating)
3251                         map_window(win, get_sibling(win, SWM_STACK_BELOW));
3252                 win->ws->focus = NULL;
3253                 win->ws->focus_prev = win;
3254         }
3255
3256         if (validate_win(win->ws->focus)) {
3257                 kill_refs(win->ws->focus);
3258                 win->ws->focus = NULL;
3259         }
3260
3261         if (validate_win(win->ws->focus_prev)) {
3262                 kill_refs(win->ws->focus_prev);
3263                 win->ws->focus_prev = NULL;
3264         }
3265
3266         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3267             &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3268
3269         xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3270             ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1, &none);
3271
3272         DNPRINTF(SWM_D_FOCUS, "unfocus_win: done.\n");
3273 }
3274
3275 void
3276 focus_win(struct ws_win *win)
3277 {
3278         struct ws_win                   *cfw = NULL, *parent = NULL, *w;
3279         struct workspace                *ws;
3280         xcb_get_input_focus_reply_t     *r;
3281
3282         DNPRINTF(SWM_D_FOCUS, "focus_win: window: 0x%x\n", WINID(win));
3283
3284         if (win == NULL)
3285                 goto out;
3286
3287         if (win->ws == NULL)
3288                 goto out;
3289
3290         if (!win->mapped)
3291                 goto out;
3292
3293         ws = win->ws;
3294
3295         if (validate_ws(ws))
3296                 goto out;
3297
3298         if (validate_win(win)) {
3299                 kill_refs(win);
3300                 goto out;
3301         }
3302
3303         r = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL);
3304         if (r) {
3305                 cfw = find_window(r->focus);
3306                 if (cfw != win)
3307                         unfocus_win(cfw);
3308                 free(r);
3309         }
3310
3311         if (ws->focus != win) {
3312                 if (ws->focus && ws->focus != cfw)
3313                         unfocus_win(ws->focus);
3314                 ws->focus = win;
3315         }
3316
3317         /* If this window directs focus to a child window, then clear. */
3318         if (win->focus_child)
3319                 win->focus_child = NULL;
3320
3321         /* If transient, adjust parent's focus child for focus_magic. */
3322         if (win->transient) {
3323                 parent = find_window(win->transient);
3324                 if (parent && parent->focus_child != win)
3325                         parent->focus_child = win;
3326         }
3327
3328         if (cfw != win && ws->r != NULL) {
3329                 /* Set input focus if no input hint, or indicated by hint. */
3330                 if (!(win->hints.flags & XCB_ICCCM_WM_HINT_INPUT) ||
3331                     (win->hints.flags & XCB_ICCCM_WM_HINT_INPUT &&
3332                      win->hints.input))
3333                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
3334                                         win->id, last_event_time);
3335
3336                 /* Tell app it can adjust focus to a specific window. */
3337                 if (win->take_focus) {
3338                         /* java is special; always tell parent */
3339                         if (win->transient && win->java)
3340                                 client_msg(parent, a_takefocus,
3341                                     last_event_time);
3342                         else
3343                                 client_msg(win, a_takefocus, last_event_time);
3344                 }
3345
3346                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3347                     &ws->r->s->c[SWM_S_COLOR_FOCUS].pixel);
3348
3349                 if (ws->cur_layout->flags & SWM_L_MAPONFOCUS ||
3350                     ws->always_raise) {
3351                         /* If a parent exists, map it first. */
3352                         if (parent) {
3353                                 map_window(parent, XCB_WINDOW_NONE);
3354
3355                                 /* Map siblings next. */
3356                                 TAILQ_FOREACH(w, &ws->winlist, entry)
3357                                         if (w != win && !w->iconic &&
3358                                             w->transient == parent->id)
3359                                                 map_window(w, XCB_WINDOW_NONE);
3360                         }
3361
3362                         /* Map focused window. */
3363                         map_window(win, XCB_WINDOW_NONE);
3364
3365                         /* Finally, map children of focus window. */
3366                         TAILQ_FOREACH(w, &ws->winlist, entry)
3367                                 if (w->transient == win->id && !w->iconic)
3368                                         map_window(w, XCB_WINDOW_NONE);
3369                 } else if (tile_gap < 0 && !win->floating) {
3370                         /*
3371                          * Windows overlap in the layout.
3372                          * Raise focused win above all tiled wins.
3373                          */
3374                         if (tile_gap < 0 && !win->floating)
3375                                 map_window(win,
3376                                     get_sibling(win, SWM_STACK_TOP));
3377                 }
3378
3379                 set_region(ws->r);
3380
3381                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3382                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3383                     &win->id);
3384         }
3385
3386 out:
3387         bar_draw();
3388
3389         DNPRINTF(SWM_D_FOCUS, "focus_win: done.\n");
3390 }
3391
3392 /* If a child window should have focus instead, return it. */
3393 struct ws_win *
3394 get_focus_magic(struct ws_win *win)
3395 {
3396         struct ws_win   *parent = NULL;
3397         struct ws_win   *child = NULL;
3398
3399         DNPRINTF(SWM_D_FOCUS, "get_focus_magic: window: 0x%x\n", WINID(win));
3400         if (win == NULL)
3401                 return win;
3402
3403         if (win->transient) {
3404                 parent = find_window(win->transient);
3405
3406                 /* If parent prefers focus elsewhere, then try to do so. */
3407                 if (parent && (child = parent->focus_child)) {
3408                         if (validate_win(child) == 0 && child->mapped)
3409                                 win = child;
3410                         else
3411                                 parent->focus_child = NULL;
3412                 }
3413         }
3414
3415         /* If this window prefers focus elsewhere, then try to do so. */
3416         if ((child = win->focus_child)) {
3417                 if (validate_win(child) == 0 && child->mapped)
3418                         win = child;
3419                 else
3420                         win->focus_child = NULL;
3421         }
3422
3423         return win;
3424 }
3425
3426 void
3427 event_drain(uint8_t rt)
3428 {
3429         xcb_generic_event_t     *evt;
3430
3431         /* ensure all pending requests have been processed before filtering. */
3432         xcb_aux_sync(conn);
3433         while ((evt = xcb_poll_for_event(conn))) {
3434                 if (XCB_EVENT_RESPONSE_TYPE(evt) != rt)
3435                         event_handle(evt);
3436
3437                 free(evt);
3438         }
3439 }
3440
3441 void
3442 set_region(struct swm_region *r)
3443 {
3444         struct swm_region       *rf;
3445
3446         if (r == NULL)
3447                 return;
3448
3449         rf = r->s->r_focus;
3450         /* Unfocus old region bar. */
3451         if (rf) {
3452                 if (rf == r)
3453                         return;
3454
3455                 xcb_change_window_attributes(conn, rf->bar->id,
3456                     XCB_CW_BORDER_PIXEL,
3457                     &r->s->c[SWM_S_COLOR_BAR_BORDER_UNFOCUS].pixel);
3458         }
3459
3460         /* Set region bar border to focus_color. */
3461         xcb_change_window_attributes(conn, r->bar->id,
3462             XCB_CW_BORDER_PIXEL, &r->s->c[SWM_S_COLOR_BAR_BORDER].pixel);
3463
3464         r->s->r_focus = r;
3465 }
3466
3467 void
3468 focus_region(struct swm_region *r)
3469 {
3470         struct ws_win           *nfw;
3471         struct swm_region       *old_r;
3472
3473         if (r == NULL)
3474                 return;
3475
3476         old_r = r->s->r_focus;
3477         set_region(r);
3478
3479         nfw = get_region_focus(r);
3480         if (nfw) {
3481                 focus_win(nfw);
3482         } else {
3483                 /* New region is empty; need to manually unfocus win. */
3484                 if (old_r)
3485                         unfocus_win(old_r->ws->focus);
3486
3487                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3488                     XCB_CURRENT_TIME);
3489
3490                 /* Clear bar since empty. */
3491                 bar_draw();
3492         }
3493 }
3494
3495 void
3496 switchws(struct swm_region *r, union arg *args)
3497 {
3498         struct swm_region       *this_r, *other_r;
3499         struct ws_win           *win;
3500         struct workspace        *new_ws, *old_ws;
3501         xcb_window_t            none = XCB_WINDOW_NONE;
3502         int                     wsid = args->id, unmap_old = 0;
3503
3504         if (!(r && r->s))
3505                 return;
3506
3507         if (wsid >= workspace_limit)
3508                 return;
3509
3510         this_r = r;
3511         old_ws = this_r->ws;
3512         new_ws = &this_r->s->ws[wsid];
3513
3514         DNPRINTF(SWM_D_WS, "switchws: screen[%d]:%dx%d+%d+%d: %d -> %d\n",
3515             r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), old_ws->idx, wsid);
3516
3517         if (new_ws == NULL || old_ws == NULL)
3518                 return;
3519         if (new_ws == old_ws)
3520                 return;
3521
3522         if ((win = old_ws->focus) != NULL) {
3523                 xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL,
3524                     &win->ws->r->s->c[SWM_S_COLOR_UNFOCUS].pixel);
3525
3526                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->s->root,
3527                     ewmh[_NET_ACTIVE_WINDOW].atom, XCB_ATOM_WINDOW, 32, 1,
3528                     &none);
3529         }
3530
3531         other_r = new_ws->r;
3532         if (other_r == NULL) {
3533                 /* the other workspace is hidden, hide this one */
3534                 old_ws->r = NULL;
3535                 unmap_old = 1;
3536         } else {
3537                 /* the other ws is visible in another region, exchange them */
3538                 other_r->ws_prior = new_ws;
3539                 other_r->ws = old_ws;
3540                 old_ws->r = other_r;
3541         }
3542         this_r->ws_prior = old_ws;
3543         this_r->ws = new_ws;
3544         new_ws->r = this_r;
3545
3546         /* Set focus_pending before stacking, if needed. */
3547         if (focus_mode != SWM_FOCUS_FOLLOW && (!new_ws->focus_pending ||
3548             validate_win(new_ws->focus_pending))) {
3549                 new_ws->focus_pending = get_region_focus(new_ws->r);
3550                 new_ws->focus = new_ws->focus_prev;
3551                 new_ws->focus_prev = NULL;
3552         }
3553
3554         stack();
3555
3556         /* unmap old windows */
3557         if (unmap_old)
3558                 TAILQ_FOREACH(win, &old_ws->winlist, entry)
3559                         unmap_window(win);
3560
3561         /* if workspaces were swapped, then don't wait to set focus */
3562         if (old_ws->r && focus_mode != SWM_FOCUS_FOLLOW) {
3563                 if (new_ws->focus_pending) {
3564                         focus_win(new_ws->focus_pending);
3565                         new_ws->focus_pending = NULL;
3566                 }
3567         }
3568
3569         /* Clear bar and set focus on region input win if new ws is empty. */
3570         if (new_ws->focus_pending == NULL && new_ws->focus == NULL) {
3571                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT, r->id,
3572                     XCB_CURRENT_TIME);
3573                 bar_draw();
3574         }
3575
3576         focus_flush();
3577
3578         DNPRINTF(SWM_D_WS, "switchws: done.\n");
3579 }
3580
3581 void
3582 cyclews(struct swm_region *r, union arg *args)
3583 {
3584         union                   arg a;
3585         struct swm_screen       *s = r->s;
3586         int                     cycle_all = 0;
3587         int                     move = 0;
3588
3589         DNPRINTF(SWM_D_WS, "cyclews: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3590             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3591
3592         a.id = r->ws->idx;
3593
3594         do {
3595                 switch (args->id) {
3596                 case SWM_ARG_ID_CYCLEWS_MOVE_UP:
3597                         move = 1;
3598                         /* FALLTHROUGH */
3599                 case SWM_ARG_ID_CYCLEWS_UP_ALL:
3600                         cycle_all = 1;
3601                         /* FALLTHROUGH */
3602                 case SWM_ARG_ID_CYCLEWS_UP:
3603                         a.id = (a.id < workspace_limit - 1) ? a.id + 1 : 0;
3604                         break;
3605                 case SWM_ARG_ID_CYCLEWS_MOVE_DOWN:
3606                         move = 1;
3607                         /* FALLTHROUGH */
3608                 case SWM_ARG_ID_CYCLEWS_DOWN_ALL:
3609                         cycle_all = 1;
3610                         /* FALLTHROUGH */
3611                 case SWM_ARG_ID_CYCLEWS_DOWN:
3612                         a.id = (a.id > 0) ? a.id - 1 : workspace_limit - 1;
3613                         break;
3614                 default:
3615                         return;
3616                 };
3617
3618                 if (!cycle_all &&
3619                     (!cycle_empty && TAILQ_EMPTY(&s->ws[a.id].winlist)))
3620                         continue;
3621                 if (!cycle_visible && s->ws[a.id].r != NULL)
3622                         continue;
3623
3624                 if (move)
3625                         send_to_ws(r, &a);
3626
3627                 switchws(r, &a);
3628         } while (a.id != r->ws->idx);
3629 }
3630
3631 void
3632 priorws(struct swm_region *r, union arg *args)
3633 {
3634         union arg               a;
3635
3636         (void)args;
3637
3638         DNPRINTF(SWM_D_WS, "priorws: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3639             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3640
3641         if (r->ws_prior == NULL)
3642                 return;
3643
3644         a.id = r->ws_prior->idx;
3645         switchws(r, &a);
3646 }
3647
3648 void
3649 focusrg(struct swm_region *r, union arg *args)
3650 {
3651         int                     ridx = args->id, i, num_screens;
3652         struct swm_region       *rr = NULL;
3653
3654         num_screens = get_screen_count();
3655         /* do nothing if we don't have more than one screen */
3656         if (!(num_screens > 1 || outputs > 1))
3657                 return;
3658
3659         DNPRINTF(SWM_D_FOCUS, "focusrg: id: %d\n", ridx);
3660
3661         rr = TAILQ_FIRST(&r->s->rl);
3662         for (i = 0; i < ridx && rr != NULL; ++i)
3663                 rr = TAILQ_NEXT(rr, entry);
3664
3665         if (rr == NULL)
3666                 return;
3667
3668         focus_region(rr);
3669         focus_flush();
3670 }
3671
3672 void
3673 cyclerg(struct swm_region *r, union arg *args)
3674 {
3675         struct swm_region       *rr = NULL;
3676         int                     i, num_screens;
3677
3678         num_screens = get_screen_count();
3679         /* do nothing if we don't have more than one screen */
3680         if (!(num_screens > 1 || outputs > 1))
3681                 return;
3682
3683         i = r->s->idx;
3684         switch (args->id) {
3685         case SWM_ARG_ID_CYCLERG_UP:
3686                 rr = TAILQ_NEXT(r, entry);
3687                 if (rr == NULL)
3688                         rr = TAILQ_FIRST(&screens[i].rl);
3689                 break;
3690         case SWM_ARG_ID_CYCLERG_DOWN:
3691                 rr = TAILQ_PREV(r, swm_region_list, entry);
3692                 if (rr == NULL)
3693                         rr = TAILQ_LAST(&screens[i].rl, swm_region_list);
3694                 break;
3695         default:
3696                 return;
3697         };
3698         if (rr == NULL)
3699                 return;
3700
3701         focus_region(rr);
3702         focus_flush();
3703 }
3704
3705 void
3706 sort_windows(struct ws_win_list *wl)
3707 {
3708         struct ws_win           *win, *parent, *nxt;
3709
3710         if (wl == NULL)
3711                 return;
3712
3713         for (win = TAILQ_FIRST(wl); win != TAILQ_END(wl); win = nxt) {
3714                 nxt = TAILQ_NEXT(win, entry);
3715                 if (win->transient) {
3716                         parent = find_window(win->transient);
3717                         if (parent == NULL) {
3718                                 warnx("not possible bug");
3719                                 continue;
3720                         }
3721                         TAILQ_REMOVE(wl, win, entry);
3722                         TAILQ_INSERT_AFTER(wl, parent, win, entry);
3723                 }
3724         }
3725
3726 }
3727
3728 void
3729 swapwin(struct swm_region *r, union arg *args)
3730 {
3731         struct ws_win           *target, *source;
3732         struct ws_win           *cur_focus;
3733         struct ws_win_list      *wl;
3734
3735         DNPRINTF(SWM_D_WS, "swapwin: id: %d, screen[%d]:%dx%d+%d+%d, ws: %d\n",
3736             args->id, r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
3737
3738         cur_focus = r->ws->focus;
3739         if (cur_focus == NULL)
3740                 return;
3741
3742         source = cur_focus;
3743         wl = &source->ws->winlist;
3744
3745         switch (args->id) {
3746         case SWM_ARG_ID_SWAPPREV:
3747                 if (source->transient)
3748                         source = find_window(source->transient);
3749                 target = TAILQ_PREV(source, ws_win_list, entry);
3750                 if (target && target->transient)
3751                         target = find_window(target->transient);
3752                 TAILQ_REMOVE(wl, source, entry);
3753                 if (target == NULL)
3754                         TAILQ_INSERT_TAIL(wl, source, entry);
3755                 else
3756                         TAILQ_INSERT_BEFORE(target, source, entry);
3757                 break;
3758         case SWM_ARG_ID_SWAPNEXT:
3759                 target = TAILQ_NEXT(source, entry);
3760                 /* move the parent and let the sort handle the move */
3761                 if (source->transient)
3762                         source = find_window(source->transient);
3763                 TAILQ_REMOVE(wl, source, entry);
3764                 if (target == NULL)
3765                         TAILQ_INSERT_HEAD(wl, source, entry);
3766                 else
3767                         TAILQ_INSERT_AFTER(wl, target, source, entry);
3768                 break;
3769         case SWM_ARG_ID_SWAPMAIN:
3770                 target = TAILQ_FIRST(wl);
3771                 if (target == source) {
3772                         if (source->ws->focus_prev != NULL &&
3773                             source->ws->focus_prev != target)
3774                                 source = source->ws->focus_prev;
3775                         else
3776                                 return;
3777                 }
3778                 if (target == NULL || source == NULL)
3779                         return;
3780                 source->ws->focus_prev = target;
3781                 TAILQ_REMOVE(wl, target, entry);
3782                 TAILQ_INSERT_BEFORE(source, target, entry);
3783                 TAILQ_REMOVE(wl, source, entry);
3784                 TAILQ_INSERT_HEAD(wl, source, entry);
3785                 break;
3786         case SWM_ARG_ID_MOVELAST:
3787                 TAILQ_REMOVE(wl, source, entry);
3788                 TAILQ_INSERT_TAIL(wl, source, entry);
3789                 break;
3790         default:
3791                 DNPRINTF(SWM_D_MOVE, "swapwin: invalid id: %d\n", args->id);
3792                 return;
3793         }
3794
3795         sort_windows(wl);
3796
3797         stack();
3798
3799         focus_flush();
3800 }
3801
3802 struct ws_win *
3803 get_focus_prev(struct ws_win *win)
3804 {
3805         struct ws_win           *winfocus = NULL;
3806         struct ws_win           *cur_focus = NULL;
3807         struct ws_win_list      *wl = NULL;
3808         struct workspace        *ws = NULL;
3809
3810         if (!(win && win->ws))
3811                 return NULL;
3812
3813         ws = win->ws;
3814         wl = &ws->winlist;
3815         cur_focus = ws->focus;
3816
3817         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: window: 0x%x, cur_focus: 0x%x\n",
3818             WINID(win), WINID(cur_focus));
3819
3820         /* pickle, just focus on whatever */
3821         if (cur_focus == NULL) {
3822                 /* use prev_focus if valid */
3823                 if (ws->focus_prev && ws->focus_prev != cur_focus &&
3824                     find_window(WINID(ws->focus_prev)))
3825                         winfocus = ws->focus_prev;
3826                 goto done;
3827         }
3828
3829         /* if transient focus on parent */
3830         if (cur_focus->transient) {
3831                 winfocus = find_window(cur_focus->transient);
3832                 goto done;
3833         }
3834
3835         /* if in max_stack try harder */
3836         if ((win->quirks & SWM_Q_FOCUSPREV) ||
3837             (ws->cur_layout->flags & SWM_L_FOCUSPREV)) {
3838                 if (cur_focus != ws->focus_prev)
3839                         winfocus = ws->focus_prev;
3840                 else
3841                         winfocus = TAILQ_PREV(win, ws_win_list, entry);
3842                 if (winfocus)
3843                         goto done;
3844         }
3845
3846         DNPRINTF(SWM_D_FOCUS, "get_focus_prev: focus_close: %d\n", focus_close);
3847
3848         if (winfocus == NULL || winfocus == win) {
3849                 switch (focus_close) {
3850                 case SWM_STACK_BOTTOM:
3851                         TAILQ_FOREACH(winfocus, wl, entry)
3852                                 if (!winfocus->iconic && winfocus != cur_focus)
3853                                         break;
3854                         break;
3855                 case SWM_STACK_TOP:
3856                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3857                                 if (!winfocus->iconic && winfocus != cur_focus)
3858                                         break;
3859                         break;
3860                 case SWM_STACK_ABOVE:
3861                         winfocus = TAILQ_NEXT(cur_focus, entry);
3862                         while (winfocus && winfocus->iconic)
3863                                 winfocus = TAILQ_NEXT(winfocus, entry);
3864
3865                         if (winfocus == NULL) {
3866                                 if (focus_close_wrap) {
3867                                         TAILQ_FOREACH(winfocus, wl, entry)
3868                                                 if (!winfocus->iconic &&
3869                                                     winfocus != cur_focus)
3870                                                         break;
3871                                 } else {
3872                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3873                                             ws_win_list, entry)
3874                                                 if (!winfocus->iconic &&
3875                                                     winfocus != cur_focus)
3876                                                         break;
3877                                 }
3878                         }
3879                         break;
3880                 case SWM_STACK_BELOW:
3881                         winfocus = TAILQ_PREV(cur_focus, ws_win_list, entry);
3882                         while (winfocus && winfocus->iconic)
3883                                 winfocus = TAILQ_PREV(winfocus, ws_win_list,
3884                                     entry);
3885
3886                         if (winfocus == NULL) {
3887                                 if (focus_close_wrap) {
3888                                         TAILQ_FOREACH_REVERSE(winfocus, wl,
3889                                             ws_win_list, entry)
3890                                                 if (!winfocus->iconic &&
3891                                                     winfocus != cur_focus)
3892                                                         break;
3893                                 } else {
3894                                         TAILQ_FOREACH(winfocus, wl, entry)
3895                                                 if (!winfocus->iconic &&
3896                                                     winfocus != cur_focus)
3897                                                         break;
3898                                 }
3899                         }
3900                         break;
3901                 }
3902         }
3903 done:
3904         if (winfocus == NULL ||
3905             (winfocus && (winfocus->iconic || winfocus == cur_focus))) {
3906                 if (focus_default == SWM_STACK_TOP) {
3907                         TAILQ_FOREACH_REVERSE(winfocus, wl, ws_win_list, entry)
3908                                 if (!winfocus->iconic && winfocus != cur_focus)
3909                                         break;
3910                 } else {
3911                         TAILQ_FOREACH(winfocus, wl, entry)
3912                                 if (!winfocus->iconic && winfocus != cur_focus)
3913                                         break;
3914                 }
3915         }
3916
3917         kill_refs(win);
3918
3919         return get_focus_magic(winfocus);
3920 }
3921
3922 struct ws_win *
3923 get_region_focus(struct swm_region *r)
3924 {
3925         struct ws_win           *winfocus = NULL;
3926
3927         if (!(r && r->ws))
3928                 return NULL;
3929
3930         if (r->ws->focus && !r->ws->focus->iconic)
3931                 winfocus = r->ws->focus;
3932         else if (r->ws->focus_prev && !r->ws->focus_prev->iconic)
3933                 winfocus = r->ws->focus_prev;
3934         else
3935                 TAILQ_FOREACH(winfocus, &r->ws->winlist, entry)
3936                         if (!winfocus->iconic)
3937                                 break;
3938
3939         return get_focus_magic(winfocus);
3940 }
3941
3942 void
3943 focus(struct swm_region *r, union arg *args)
3944 {
3945         struct ws_win           *head, *cur_focus = NULL, *winfocus = NULL;
3946         struct ws_win_list      *wl = NULL;
3947         struct workspace        *ws = NULL;
3948         union arg               a;
3949         int                     i;
3950         xcb_icccm_wm_hints_t    hints;
3951
3952         if (!(r && r->ws))
3953                 goto out;
3954
3955         DNPRINTF(SWM_D_FOCUS, "focus: id: %d\n", args->id);
3956
3957         cur_focus = r->ws->focus;
3958         ws = r->ws;
3959         wl = &ws->winlist;
3960
3961         /* Make sure an uniconified window has focus, if one exists. */
3962         if (cur_focus == NULL) {
3963                 cur_focus = TAILQ_FIRST(wl);
3964                 while (cur_focus != NULL && cur_focus->iconic)
3965                         cur_focus = TAILQ_NEXT(cur_focus, entry);
3966         }
3967
3968         switch (args->id) {
3969         case SWM_ARG_ID_FOCUSPREV:
3970                 if (cur_focus == NULL)
3971                         goto out;
3972
3973                 winfocus = cur_focus;
3974                 do {
3975                         winfocus = TAILQ_PREV(winfocus, ws_win_list, entry);
3976                         if (winfocus == NULL)
3977                                 winfocus = TAILQ_LAST(wl, ws_win_list);
3978                         if (winfocus == cur_focus)
3979                                 break;
3980                 } while (winfocus != NULL &&
3981                     (winfocus->iconic || winfocus->id == cur_focus->transient));
3982                 break;
3983         case SWM_ARG_ID_FOCUSNEXT:
3984                 if (cur_focus == NULL)
3985                         goto out;
3986
3987                 winfocus = cur_focus;
3988                 do {
3989                         winfocus = TAILQ_NEXT(winfocus, entry);
3990                         if (winfocus == NULL)
3991                                 winfocus = TAILQ_FIRST(wl);
3992                         if (winfocus == cur_focus)
3993                                 break;
3994                 } while (winfocus != NULL &&
3995                     (winfocus->iconic || winfocus->id == cur_focus->transient));
3996                 break;
3997         case SWM_ARG_ID_FOCUSMAIN:
3998                 if (cur_focus == NULL)
3999                         goto out;
4000
4001                 winfocus = TAILQ_FIRST(wl);
4002                 if (winfocus == cur_focus)
4003                         winfocus = cur_focus->ws->focus_prev;
4004                 break;
4005         case SWM_ARG_ID_FOCUSURGENT:
4006                 /* Search forward for the next urgent window. */
4007                 winfocus = NULL;
4008                 head = cur_focus;
4009
4010                 for (i = 0; i <= workspace_limit; ++i) {
4011                         if (head == NULL)
4012                                 head = TAILQ_FIRST(&r->s->ws[(ws->idx + i) %
4013                                     workspace_limit].winlist);
4014
4015                         while (head != NULL &&
4016                             (head = TAILQ_NEXT(head, entry)) != NULL) {
4017                                 if (head == cur_focus) {
4018                                         winfocus = cur_focus;
4019                                         break;
4020                                 }
4021                                 if (xcb_icccm_get_wm_hints_reply(conn,
4022                                     xcb_icccm_get_wm_hints(conn, head->id),
4023                                     &hints, NULL) != 0 &&
4024                                     xcb_icccm_wm_hints_get_urgency(&hints)) {
4025                                         winfocus = head;
4026                                         break;
4027                                 }
4028                         }
4029
4030                         if (winfocus != NULL)
4031                                 break;
4032                 }
4033
4034                 /* Switch ws if new focus is on a different ws. */
4035                 if (winfocus != NULL && winfocus->ws != ws) {
4036                         a.id = winfocus->ws->idx;
4037                         switchws(r, &a);
4038                 }
4039                 break;
4040         default:
4041                 goto out;
4042         }
4043
4044         focus_win(get_focus_magic(winfocus));
4045         focus_flush();
4046
4047 out:
4048         DNPRINTF(SWM_D_FOCUS, "focus: done\n");
4049 }
4050
4051 void
4052 cycle_layout(struct swm_region *r, union arg *args)
4053 {
4054         struct workspace        *ws = r->ws;
4055
4056         /* suppress unused warning since var is needed */
4057         (void)args;
4058
4059         DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", ws->idx);
4060
4061         ws->cur_layout++;
4062         if (ws->cur_layout->l_stack == NULL)
4063                 ws->cur_layout = &layouts[0];
4064
4065         stack();
4066         bar_draw();
4067
4068         focus_win(get_region_focus(r));
4069
4070         focus_flush();
4071 }
4072
4073 void
4074 stack_config(struct swm_region *r, union arg *args)
4075 {
4076         struct workspace        *ws = r->ws;
4077
4078         DNPRINTF(SWM_D_STACK, "stack_config: id: %d workspace: %d\n",
4079             args->id, ws->idx);
4080
4081         if (ws->cur_layout->l_config != NULL)
4082                 ws->cur_layout->l_config(ws, args->id);
4083
4084         if (args->id != SWM_ARG_ID_STACKINIT)
4085                 stack();
4086         bar_draw();
4087
4088         focus_flush();
4089 }
4090
4091 void
4092 stack(void) {
4093         struct swm_geometry     g;
4094         struct swm_region       *r;
4095         int                     i, num_screens;
4096 #ifdef SWM_DEBUG
4097         int j;
4098 #endif
4099
4100         DNPRINTF(SWM_D_STACK, "stack: begin\n");
4101
4102         num_screens = get_screen_count();
4103         for (i = 0; i < num_screens; i++) {
4104 #ifdef SWM_DEBUG
4105                 j = 0;
4106 #endif
4107                 TAILQ_FOREACH(r, &screens[i].rl, entry) {
4108                         DNPRINTF(SWM_D_STACK, "stack: workspace: %d "
4109                             "(screen: %d, region: %d)\n", r->ws->idx, i, j++);
4110
4111                         /* Adjust stack area for region bar and padding. */
4112                         g = r->g;
4113                         g.x += region_padding;
4114                         g.y += region_padding;
4115                         g.w -= 2 * border_width + 2 * region_padding;
4116                         g.h -= 2 * border_width + 2 * region_padding;
4117                         if (bar_enabled && r->ws->bar_enabled) {
4118                                 if (!bar_at_bottom)
4119                                         g.y += bar_height;
4120                                 g.h -= bar_height;
4121                         }
4122                         r->ws->cur_layout->l_stack(r->ws, &g);
4123                         r->ws->cur_layout->l_string(r->ws);
4124                         /* save r so we can track region changes */
4125                         r->ws->old_r = r;
4126                 }
4127         }
4128         if (font_adjusted)
4129                 font_adjusted--;
4130
4131         DNPRINTF(SWM_D_STACK, "stack: end\n");
4132 }
4133
4134 void
4135 store_float_geom(struct ws_win *win)
4136 {
4137         if (win == NULL || win->ws->r == NULL)
4138                 return;
4139
4140         /* retain window geom and region geom */
4141         win->g_float = win->g;
4142         win->g_float.x -= X(win->ws->r);
4143         win->g_float.y -= Y(win->ws->r);
4144         win->g_floatvalid = 1;
4145         DNPRINTF(SWM_D_MISC, "store_float_geom: window: 0x%x, g: (%d,%d)"
4146             " %d x %d, g_float: (%d,%d) %d x %d\n", win->id, X(win), Y(win),
4147             WIDTH(win), HEIGHT(win), win->g_float.x, win->g_float.y,
4148             win->g_float.w, win->g_float.h);
4149 }
4150
4151 void
4152 load_float_geom(struct ws_win *win)
4153 {
4154         if (win == NULL || win->ws->r == NULL)
4155                 return;
4156
4157         if (win->g_floatvalid) {
4158                 win->g = win->g_float;
4159                 X(win) += X(win->ws->r);
4160                 Y(win) += Y(win->ws->r);
4161                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g: (%d,%d)"
4162                     "%d x %d\n", win->id, X(win), Y(win), WIDTH(win),
4163                     HEIGHT(win));
4164         } else {
4165                 DNPRINTF(SWM_D_MISC, "load_float_geom: window: 0x%x, g_float "
4166                     "is not set.\n", win->id);
4167         }
4168 }
4169
4170 void
4171 stack_floater(struct ws_win *win, struct swm_region *r)
4172 {
4173         if (win == NULL)
4174                 return;
4175
4176         DNPRINTF(SWM_D_MISC, "stack_floater: window: 0x%x\n", win->id);
4177
4178         /*
4179          * to allow windows to change their size (e.g. mplayer fs) only retrieve
4180          * geom on ws switches or return from max mode
4181          */
4182         if (win->floatmaxed || (r != r->ws->old_r &&
4183             !(win->ewmh_flags & EWMH_F_FULLSCREEN))) {
4184                 /* update geometry for the new region */
4185                 load_float_geom(win);
4186         }
4187
4188         win->floatmaxed = 0;
4189
4190         /*
4191          * if set to fullscreen mode, configure window to maximum size.
4192          */
4193         if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4194                 if (!win->g_floatvalid)
4195                         store_float_geom(win);
4196
4197                 win->g = r->g;
4198         }
4199
4200         /*
4201          * remove border on fullscreen floater when in fullscreen mode or when
4202          * the quirk is present.
4203          */
4204         if ((win->ewmh_flags & EWMH_F_FULLSCREEN) ||
4205             ((win->quirks & SWM_Q_FULLSCREEN) &&
4206              (WIDTH(win) >= WIDTH(r)) && (HEIGHT(win) >= HEIGHT(r)))) {
4207                 if (win->bordered) {
4208                         win->bordered = 0;
4209                         X(win) += border_width;
4210                         Y(win) += border_width;
4211                 }
4212         } else if (!win->bordered) {
4213                 win->bordered = 1;
4214                 X(win) -= border_width;
4215                 Y(win) -= border_width;
4216         }
4217
4218         if (win->transient && (win->quirks & SWM_Q_TRANSSZ)) {
4219                 WIDTH(win) = (double)WIDTH(r) * dialog_ratio;
4220                 HEIGHT(win) = (double)HEIGHT(r) * dialog_ratio;
4221         }
4222
4223         if (!win->manual && !(win->ewmh_flags & EWMH_F_FULLSCREEN) &&
4224             !(win->quirks & SWM_Q_ANYWHERE)) {
4225                 /*
4226                  * floaters and transients are auto-centred unless moved,
4227                  * resized or ANYWHERE quirk is set.
4228                  */
4229                 X(win) = X(r) + (WIDTH(r) - WIDTH(win)) /  2 - BORDER(win);
4230                 Y(win) = Y(r) + (HEIGHT(r) - HEIGHT(win)) / 2 - BORDER(win);
4231
4232                 store_float_geom(win);
4233         }
4234
4235         /* Ensure at least 1 pixel of the window is in the region. */
4236         region_containment(win, r, SWM_CW_ALLSIDES);
4237
4238         update_window(win);
4239 }
4240
4241 /*
4242  * Send keystrokes to terminal to decrease/increase the font size as the
4243  * window size changes.
4244  */
4245 void
4246 adjust_font(struct ws_win *win)
4247 {
4248         if (!(win->quirks & SWM_Q_XTERM_FONTADJ) ||
4249             win->floating || win->transient)
4250                 return;
4251
4252         if (win->sh.width_inc && win->last_inc != win->sh.width_inc &&
4253             WIDTH(win) / win->sh.width_inc < term_width &&
4254             win->font_steps < SWM_MAX_FONT_STEPS) {
4255                 win->font_size_boundary[win->font_steps] =
4256                     (win->sh.width_inc * term_width) + win->sh.base_width;
4257                 win->font_steps++;
4258                 font_adjusted++;
4259                 win->last_inc = win->sh.width_inc;
4260                 fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
4261         } else if (win->font_steps && win->last_inc != win->sh.width_inc &&
4262             WIDTH(win) > win->font_size_boundary[win->font_steps - 1]) {
4263                 win->font_steps--;
4264                 font_adjusted++;
4265                 win->last_inc = win->sh.width_inc;
4266                 fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
4267         }
4268 }
4269
4270 #define SWAPXY(g)       do {                            \
4271         int tmp;                                        \
4272         tmp = (g)->y; (g)->y = (g)->x; (g)->x = tmp;    \
4273         tmp = (g)->h; (g)->h = (g)->w; (g)->w = tmp;    \
4274 } while (0)
4275 void
4276 stack_master(struct workspace *ws, struct swm_geometry *g, int rot, int flip)
4277 {
4278         struct swm_geometry     win_g, r_g = *g;
4279         struct ws_win           *win, *fs_win = NULL;
4280         int                     i, j, s, stacks;
4281         int                     w_inc = 1, h_inc, w_base = 1, h_base;
4282         int                     hrh, extra = 0, h_slice, last_h = 0;
4283         int                     split, colno, winno, mwin, msize, mscale;
4284         int                     remain, missing, v_slice, reconfigure = 0;
4285         int                     bordered = 1;
4286
4287         DNPRINTF(SWM_D_STACK, "stack_master: workspace: %d, rot: %s, "
4288             "flip: %s\n", ws->idx, YESNO(rot), YESNO(flip));
4289
4290         winno = count_win(ws, 0);
4291         if (winno == 0 && count_win(ws, 1) == 0)
4292                 return;
4293
4294         TAILQ_FOREACH(win, &ws->winlist, entry)
4295                 if (!win->transient && !win->floating && !win->iconic)
4296                         break;
4297
4298         if (win == NULL)
4299                 goto notiles;
4300
4301         if (rot) {
4302                 w_inc = win->sh.width_inc;
4303                 w_base = win->sh.base_width;
4304                 mwin = ws->l_state.horizontal_mwin;
4305                 mscale = ws->l_state.horizontal_msize;
4306                 stacks = ws->l_state.horizontal_stacks;
4307                 SWAPXY(&r_g);
4308         } else {
4309                 w_inc = win->sh.height_inc;
4310                 w_base = win->sh.base_height;
4311                 mwin = ws->l_state.vertical_mwin;
4312                 mscale = ws->l_state.vertical_msize;
4313                 stacks = ws->l_state.vertical_stacks;
4314         }
4315         win_g = r_g;
4316
4317         if (stacks > winno - mwin)
4318                 stacks = winno - mwin;
4319         if (stacks < 1)
4320                 stacks = 1;
4321
4322         h_slice = r_g.h / SWM_H_SLICE;
4323         if (mwin && winno > mwin) {
4324                 v_slice = r_g.w / SWM_V_SLICE;
4325
4326                 split = mwin;
4327                 colno = split;
4328                 win_g.w = v_slice * mscale;
4329
4330                 if (w_inc > 1 && w_inc < v_slice) {
4331                         /* adjust for window's requested size increment */
4332                         remain = (win_g.w - w_base) % w_inc;
4333                         win_g.w -= remain;
4334                 }
4335
4336                 msize = win_g.w;
4337                 if (flip)
4338                         win_g.x += r_g.w - msize;
4339         } else {
4340                 msize = -2;
4341                 colno = split = winno / stacks;
4342                 win_g.w = ((r_g.w - (stacks * 2 * border_width) +
4343                     2 * border_width) / stacks);
4344         }
4345         hrh = r_g.h / colno;
4346         extra = r_g.h - (colno * hrh);
4347         win_g.h = hrh - 2 * border_width;
4348
4349         /*  stack all the tiled windows */
4350         i = j = 0, s = stacks;
4351         TAILQ_FOREACH(win, &ws->winlist, entry) {
4352                 if (win->transient || win->floating || win->iconic)
4353                         continue;
4354
4355                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4356                         fs_win = win;
4357                         continue;
4358                 }
4359
4360                 if (split && i == split) {
4361                         colno = (winno - mwin) / stacks;
4362                         if (s <= (winno - mwin) % stacks)
4363                                 colno++;
4364                         split += colno;
4365                         hrh = r_g.h / colno;
4366                         extra = r_g.h - (colno * hrh);
4367
4368                         if (!flip)
4369                                 win_g.x += win_g.w + 2 * border_width +
4370                                     tile_gap;
4371
4372                         win_g.w = (r_g.w - msize -
4373                             (stacks * (2 * border_width + tile_gap))) / stacks;
4374                         if (s == 1)
4375                                 win_g.w += (r_g.w - msize -
4376                                     (stacks * (2 * border_width + tile_gap))) %
4377                                     stacks;
4378
4379                         if (flip)
4380                                 win_g.x -= win_g.w + 2 * border_width +
4381                                     tile_gap;
4382                         s--;
4383                         j = 0;
4384                 }
4385
4386                 win_g.h = hrh - 2 * border_width - tile_gap;
4387
4388                 if (rot) {
4389                         h_inc = win->sh.width_inc;
4390                         h_base = win->sh.base_width;
4391                 } else {
4392                         h_inc = win->sh.height_inc;
4393                         h_base = win->sh.base_height;
4394                 }
4395
4396                 if (j == colno - 1) {
4397                         win_g.h = hrh + extra;
4398                 } else if (h_inc > 1 && h_inc < h_slice) {
4399                         /* adjust for window's requested size increment */
4400                         remain = (win_g.h - h_base) % h_inc;
4401                         missing = h_inc - remain;
4402
4403                         if (missing <= extra || j == 0) {
4404                                 extra -= missing;
4405                                 win_g.h += missing;
4406                         } else {
4407                                 win_g.h -= remain;
4408                                 extra += remain;
4409                         }
4410                 }
4411
4412                 if (j == 0)
4413                         win_g.y = r_g.y;
4414                 else
4415                         win_g.y += last_h + 2 * border_width + tile_gap;
4416
4417                 if (disable_border && !(bar_enabled && ws->bar_enabled) &&
4418                     winno == 1){
4419                         bordered = 0;
4420                         win_g.w += 2 * border_width;
4421                         win_g.h += 2 * border_width;
4422                 } else {
4423                         bordered = 1;
4424                 }
4425
4426                 if (rot) {
4427                         if (X(win) != win_g.y || Y(win) != win_g.x ||
4428                             WIDTH(win) != win_g.h || HEIGHT(win) != win_g.w) {
4429                                 reconfigure = 1;
4430                                 X(win) = win_g.y;
4431                                 Y(win) = win_g.x;
4432                                 WIDTH(win) = win_g.h;
4433                                 HEIGHT(win) = win_g.w;
4434                         }
4435                 } else {
4436                         if (X(win) != win_g.x || Y(win) != win_g.y ||
4437                             WIDTH(win) != win_g.w || HEIGHT(win) != win_g.h) {
4438                                 reconfigure = 1;
4439                                 X(win) = win_g.x;
4440                                 Y(win) = win_g.y;
4441                                 WIDTH(win) = win_g.w;
4442                                 HEIGHT(win) = win_g.h;
4443                         }
4444                 }
4445
4446                 if (bordered != win->bordered) {
4447                         reconfigure = 1;
4448                         win->bordered = bordered;
4449                 }
4450
4451                 if (reconfigure) {
4452                         adjust_font(win);
4453                         update_window(win);
4454                 }
4455
4456                 map_window(win, get_sibling(win, SWM_STACK_BELOW));
4457
4458                 last_h = win_g.h;
4459                 i++;
4460                 j++;
4461         }
4462
4463         /* Map/raise focused tiled window to top if windows could overlap. */
4464         if (tile_gap < 0 && ws->focus != NULL && !ws->focus->floating)
4465                 map_window(ws->focus, get_sibling(ws->focus, SWM_STACK_TOP));
4466
4467 notiles:
4468         /* now, stack all the floaters and transients */
4469         TAILQ_FOREACH(win, &ws->winlist, entry) {
4470                 if (!win->transient && !win->floating)
4471                         continue;
4472                 if (win->iconic)
4473                         continue;
4474                 if (win->ewmh_flags & EWMH_F_FULLSCREEN) {
4475                         fs_win = win;
4476                         continue;
4477                 }
4478
4479                 stack_floater(win, ws->r);
4480                 map_window(win, XCB_WINDOW_NONE);
4481         }
4482
4483         /* Make sure fs_win is stacked last so it's on top. */
4484         if (fs_win) {
4485                 stack_floater(fs_win, ws->r);
4486                 map_window(fs_win, XCB_WINDOW_NONE);
4487         }
4488 }
4489
4490 void
4491 vertical_config(struct workspace *ws, int id)
4492 {
4493         DNPRINTF(SWM_D_STACK, "vertical_config: id: %d, workspace: %d\n",
4494             id, ws->idx);
4495
4496         switch (id) {
4497         case SWM_ARG_ID_STACKRESET:
4498         case SWM_ARG_ID_STACKINIT:
4499                 ws->l_state.vertical_msize = SWM_V_SLICE / 2;
4500                 ws->l_state.vertical_mwin = 1;
4501                 ws->l_state.vertical_stacks = 1;
4502                 break;
4503         case SWM_ARG_ID_MASTERSHRINK:
4504                 if (ws->l_state.vertical_msize > 1)
4505                         ws->l_state.vertical_msize--;
4506                 break;
4507         case SWM_ARG_ID_MASTERGROW:
4508                 if (ws->l_state.vertical_msize < SWM_V_SLICE - 1)
4509                         ws->l_state.vertical_msize++;
4510                 break;
4511         case SWM_ARG_ID_MASTERADD:
4512                 ws->l_state.vertical_mwin++;
4513                 break;
4514         case SWM_ARG_ID_MASTERDEL:
4515                 if (ws->l_state.vertical_mwin > 0)
4516                         ws->l_state.vertical_mwin--;
4517                 break;
4518         case SWM_ARG_ID_STACKINC:
4519                 ws->l_state.vertical_stacks++;
4520                 break;
4521         case SWM_ARG_ID_STACKDEC:
4522                 if (ws->l_state.vertical_stacks > 1)
4523                         ws->l_state.vertical_stacks--;
4524                 break;
4525         case SWM_ARG_ID_FLIPLAYOUT:
4526                 ws->l_state.vertical_flip = !ws->l_state.vertical_flip;
4527                 break;
4528         default:
4529                 return;
4530         }
4531 }
4532
4533 void
4534 vertical_stack(struct workspace *ws, struct swm_geometry *g)
4535 {
4536         DNPRINTF(SWM_D_STACK, "vertical_stack: workspace: %d\n", ws->idx);
4537
4538         stack_master(ws, g, 0, ws->l_state.vertical_flip);
4539 }
4540
4541 void
4542 horizontal_config(struct workspace *ws, int id)
4543 {
4544         DNPRINTF(SWM_D_STACK, "horizontal_config: workspace: %d\n", ws->idx);
4545
4546         switch (id) {
4547         case SWM_ARG_ID_STACKRESET:
4548         case SWM_ARG_ID_STACKINIT:
4549                 ws->l_state.horizontal_mwin = 1;
4550                 ws->l_state.horizontal_msize = SWM_H_SLICE / 2;
4551                 ws->l_state.horizontal_stacks = 1;
4552                 break;
4553         case SWM_ARG_ID_MASTERSHRINK:
4554                 if (ws->l_state.horizontal_msize > 1)
4555                         ws->l_state.horizontal_msize--;
4556                 break;
4557         case SWM_ARG_ID_MASTERGROW:
4558                 if (ws->l_state.horizontal_msize < SWM_H_SLICE - 1)
4559                         ws->l_state.horizontal_msize++;
4560                 break;
4561         case SWM_ARG_ID_MASTERADD:
4562                 ws->l_state.horizontal_mwin++;
4563                 break;
4564         case SWM_ARG_ID_MASTERDEL:
4565                 if (ws->l_state.horizontal_mwin > 0)
4566                         ws->l_state.horizontal_mwin--;
4567                 break;
4568         case SWM_ARG_ID_STACKINC:
4569                 ws->l_state.horizontal_stacks++;
4570                 break;
4571         case SWM_ARG_ID_STACKDEC:
4572                 if (ws->l_state.horizontal_stacks > 1)
4573                         ws->l_state.horizontal_stacks--;
4574                 break;
4575         case SWM_ARG_ID_FLIPLAYOUT:
4576                 ws->l_state.horizontal_flip = !ws->l_state.horizontal_flip;
4577                 break;
4578         default:
4579                 return;
4580         }
4581 }
4582
4583 void
4584 horizontal_stack(struct workspace *ws, struct swm_geometry *g)
4585 {
4586         DNPRINTF(SWM_D_STACK, "horizontal_stack: workspace: %d\n", ws->idx);
4587
4588         stack_master(ws, g, 1, ws->l_state.horizontal_flip);
4589 }
4590
4591 /* fullscreen view */
4592 void
4593 max_stack(struct workspace *ws, struct swm_geometry *g)
4594 {
4595         struct swm_geometry     gg = *g;
4596         struct ws_win           *w, *win = NULL, *parent = NULL;
4597         int                     winno;
4598
4599         DNPRINTF(SWM_D_STACK, "max_stack: workspace: %d\n", ws->idx);
4600
4601         if (ws == NULL)
4602                 return;
4603
4604         winno = count_win(ws, 0);
4605         if (winno == 0 && count_win(ws, 1) == 0)
4606                 return;
4607
4608         /* Figure out which top level window should be visible. */
4609         if (ws->focus_pending)
4610                 win = ws->focus_pending;
4611         else if (ws->focus)
4612                 win = ws->focus;
4613         else if (ws->focus_prev)
4614                 win = ws->focus_prev;
4615         else
4616                 win = TAILQ_FIRST(&ws->winlist);
4617
4618         if (win->transient)
4619                 parent = find_window(win->transient);
4620
4621         DNPRINTF(SWM_D_STACK, "max_stack: win: 0x%x\n", win->id);
4622
4623         /* maximize all top level windows */
4624         TAILQ_FOREACH(w, &ws->winlist, entry) {
4625                 if (w->transient || w->iconic)
4626                         continue;
4627
4628                 if (!w->mapped && w != win)
4629                         map_window(w, XCB_WINDOW_NONE);
4630
4631                 if (w->floating && !w->floatmaxed) {
4632                         /*
4633                          * retain geometry for retrieval on exit from
4634                          * max_stack mode
4635                          */
4636                         store_float_geom(w);
4637                         w->floatmaxed = 1;
4638                 }
4639
4640                 /* only reconfigure if necessary */
4641                 if (X(w) != gg.x || Y(w) != gg.y || WIDTH(w) != gg.w ||
4642                     HEIGHT(w) != gg.h) {
4643                         w->g = gg;
4644                         if (bar_enabled && ws->bar_enabled){
4645                                 w->bordered = 1;
4646                         } else {
4647                                 w->bordered = 0;
4648                                 WIDTH(w) += 2 * border_width;
4649                                 HEIGHT(w) += 2 * border_width;
4650                         }
4651
4652                         update_window(w);
4653                 }
4654         }
4655
4656         /* If a parent exists, map/raise it first. */
4657         if (parent) {
4658                 map_window(parent, XCB_WINDOW_NONE);
4659
4660                 /* Map siblings next. */
4661                 TAILQ_FOREACH(w, &ws->winlist, entry)
4662                         if (w != win && !w->iconic &&
4663                             w->transient == parent->id) {
4664                                 stack_floater(w, ws->r);
4665                                 map_window(w, XCB_WINDOW_NONE);
4666                         }
4667         }
4668
4669         /* Map/raise focused window. */
4670         map_window(win, XCB_WINDOW_NONE);
4671
4672         /* Finally, map/raise children of focus window. */
4673         TAILQ_FOREACH(w, &ws->winlist, entry)
4674                 if (w->transient == win->id && !w->iconic) {
4675                         stack_floater(w, ws->r);
4676                         map_window(w, XCB_WINDOW_NONE);
4677                 }
4678 }
4679
4680 void
4681 send_to_rg(struct swm_region *r, union arg *args)
4682 {
4683         int                     ridx = args->id, i, num_screens;
4684         struct swm_region       *rr = NULL;
4685         union arg               a;
4686
4687         num_screens = get_screen_count();
4688         /* do nothing if we don't have more than one screen */
4689         if (!(num_screens > 1 || outputs > 1))
4690                 return;
4691
4692         DNPRINTF(SWM_D_FOCUS, "send_to_rg: id: %d\n", ridx);
4693
4694         rr = TAILQ_FIRST(&r->s->rl);
4695         for (i = 0; i < ridx && rr != NULL; ++i)
4696                 rr = TAILQ_NEXT(rr, entry);
4697
4698         if (rr == NULL)
4699                 return;
4700
4701         a.id = rr->ws->idx;
4702
4703         send_to_ws(r, &a);
4704 }
4705
4706 struct swm_region *
4707 region_under(struct swm_screen *s, int x, int y)
4708 {
4709         struct swm_region       *r = NULL;
4710
4711         TAILQ_FOREACH(r, &s->rl, entry) {
4712                 DNPRINTF(SWM_D_MISC, "region_under: ws: %d, region g: (%d,%d) "
4713                     "%d x %d, coords: (%d,%d)\n", r->ws->idx, X(r), Y(r),
4714                     WIDTH(r), HEIGHT(r), x, y);
4715                 if (X(r) <= x && x < MAX_X(r))
4716                         if (Y(r) <= y && y < MAX_Y(r))
4717                                 return (r);
4718         }
4719
4720         return (NULL);
4721 }
4722
4723 void
4724 send_to_ws(struct swm_region *r, union arg *args)
4725 {
4726         int                     wsid = args->id;
4727         struct ws_win           *win = NULL;
4728
4729         if (r && r->ws && r->ws->focus)
4730                 win = r->ws->focus;
4731         else
4732                 return;
4733
4734         DNPRINTF(SWM_D_MOVE, "send_to_ws: win 0x%x, ws %d\n", win->id, wsid);
4735
4736         win_to_ws(win, wsid, 1);
4737
4738         /* Restack and set new focus. */
4739         stack();
4740
4741         if (focus_mode != SWM_FOCUS_FOLLOW) {
4742                 if (r->ws->focus_pending) {
4743                         focus_win(r->ws->focus_pending);
4744                         r->ws->focus_pending = NULL;
4745                 } else {
4746                         xcb_set_input_focus(conn,
4747                             XCB_INPUT_FOCUS_PARENT, r->id,
4748                             XCB_CURRENT_TIME);
4749                 }
4750         }
4751
4752         focus_flush();
4753 }
4754
4755 void
4756 win_to_ws(struct ws_win *win, int wsid, int unfocus)
4757 {
4758         struct ws_win           *parent;
4759         struct workspace        *ws, *nws, *pws;
4760         char                    ws_idx_str[SWM_PROPLEN];
4761
4762         if (wsid >= workspace_limit)
4763                 return;
4764
4765         if (win->ws->idx == wsid)
4766                 return;
4767
4768         ws = win->ws;
4769         nws = &win->s->ws[wsid];
4770
4771         DNPRINTF(SWM_D_MOVE, "win_to_ws: win 0x%x, ws %d -> %d\n", win->id,
4772             ws->idx, wsid);
4773
4774         /* Update the window's workspace property: _SWM_WS */
4775         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", nws->idx) < SWM_PROPLEN) {
4776                 if (focus_mode != SWM_FOCUS_FOLLOW)
4777                         ws->focus_pending = get_focus_prev(win);
4778
4779                 /* Move the parent if this is a transient window. */
4780                 if (win->transient) {
4781                         parent = find_window(win->transient);
4782                         if (parent) {
4783                                 pws = parent->ws;
4784                                 /* Set new focus in parent's ws if needed. */
4785                                 if (pws->focus == parent) {
4786                                         if (focus_mode != SWM_FOCUS_FOLLOW)
4787                                                 pws->focus_pending =
4788                                                     get_focus_prev(parent);
4789
4790                                         unfocus_win(parent);
4791
4792                                         if (focus_mode != SWM_FOCUS_FOLLOW) {
4793                                                 pws->focus = pws->focus_pending;
4794                                                 pws->focus_pending = NULL;
4795                                         }
4796                                 }
4797
4798                                 /* Don't unmap parent if new ws is visible */
4799                                 if (nws->r == NULL)
4800                                         unmap_window(parent);
4801
4802                                 /* Transfer */
4803                                 TAILQ_REMOVE(&ws->winlist, parent, entry);
4804                                 TAILQ_INSERT_TAIL(&nws->winlist, parent, entry);
4805                                 parent->ws = nws;
4806
4807                                 DNPRINTF(SWM_D_PROP, "win_to_ws: set "
4808                                     "property: _SWM_WS: %s\n", ws_idx_str);
4809                                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE,
4810                                     parent->id, a_swm_ws, XCB_ATOM_STRING, 8,
4811                                     strlen(ws_idx_str), ws_idx_str);
4812                         }
4813                 }
4814
4815                 if (unfocus)
4816                         unfocus_win(win);
4817
4818                 /* Don't unmap if new ws is visible */
4819                 if (nws->r == NULL)
4820                         unmap_window(win);
4821
4822                 /* Transfer */
4823                 TAILQ_REMOVE(&ws->winlist, win, entry);
4824                 TAILQ_INSERT_TAIL(&nws->winlist, win, entry);
4825                 win->ws = nws;
4826
4827                 /* Set focus on new ws. */
4828                 unfocus_win(nws->focus);
4829                 nws->focus = win;
4830
4831                 DNPRINTF(SWM_D_PROP, "win_to_ws: set property: _SWM_WS: %s\n",
4832                     ws_idx_str);
4833                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
4834                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
4835                     ws_idx_str);
4836         }
4837
4838         DNPRINTF(SWM_D_MOVE, "win_to_ws: done.\n");
4839 }
4840
4841 void
4842 pressbutton(struct swm_region *r, union arg *args)
4843 {
4844         /* suppress unused warning since var is needed */
4845         (void)r;
4846
4847         xcb_test_fake_input(conn, XCB_BUTTON_PRESS, args->id,
4848             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4849         xcb_test_fake_input(conn, XCB_BUTTON_RELEASE, args->id,
4850             XCB_CURRENT_TIME, XCB_WINDOW_NONE, 0, 0, 0);
4851 }
4852
4853 void
4854 raise_toggle(struct swm_region *r, union arg *args)
4855 {
4856         /* suppress unused warning since var is needed */
4857         (void)args;
4858
4859         if (r == NULL || r->ws == NULL)
4860                 return;
4861
4862         r->ws->always_raise = !r->ws->always_raise;
4863
4864         /* bring floaters back to top */
4865         if (!r->ws->always_raise)
4866                 stack();
4867
4868         focus_flush();
4869 }
4870
4871 void
4872 iconify(struct swm_region *r, union arg *args)
4873 {
4874         /* suppress unused warning since var is needed */
4875         (void)args;
4876
4877         if (r->ws->focus == NULL)
4878                 return;
4879
4880         set_swm_iconic(r->ws->focus, 1);
4881
4882         xcb_flush(conn);
4883 }
4884
4885 char *
4886 get_win_name(xcb_window_t win)
4887 {
4888         char                            *name = NULL;
4889         xcb_get_property_cookie_t       c;
4890         xcb_get_property_reply_t        *r;
4891
4892         /* First try _NET_WM_NAME for UTF-8. */
4893         c = xcb_get_property(conn, 0, win, ewmh[_NET_WM_NAME].atom,
4894             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4895         r = xcb_get_property_reply(conn, c, NULL);
4896         if (r) {
4897                 if (r->type == XCB_NONE) {
4898                         free(r);
4899                         /* Use WM_NAME instead; no UTF-8. */
4900                         c = xcb_get_property(conn, 0, win, XCB_ATOM_WM_NAME,
4901                             XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
4902                         r = xcb_get_property_reply(conn, c, NULL);
4903                         if (r == NULL)
4904                                 return (NULL);
4905                         if (r->type == XCB_NONE) {
4906                                 free(r);
4907                                 return (NULL);
4908                         }
4909                 }
4910                 if (r->length > 0)
4911                         name = strndup(xcb_get_property_value(r),
4912                             xcb_get_property_value_length(r));
4913
4914                 free(r);
4915         }
4916
4917         return (name);
4918 }
4919
4920 void
4921 uniconify(struct swm_region *r, union arg *args)
4922 {
4923         struct ws_win           *win;
4924         FILE                    *lfile;
4925         char                    *name;
4926         int                     count = 0;
4927
4928         DNPRINTF(SWM_D_MISC, "uniconify\n");
4929
4930         if (r == NULL || r->ws == NULL)
4931                 return;
4932
4933         /* make sure we have anything to uniconify */
4934         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4935                 if (win->ws == NULL)
4936                         continue; /* should never happen */
4937                 if (!win->iconic)
4938                         continue;
4939                 count++;
4940         }
4941         if (count == 0)
4942                 return;
4943
4944         search_r = r;
4945         search_resp_action = SWM_SEARCH_UNICONIFY;
4946
4947         spawn_select(r, args, "search", &searchpid);
4948
4949         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4950                 return;
4951
4952         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
4953                 if (win->ws == NULL)
4954                         continue; /* should never happen */
4955                 if (!win->iconic)
4956                         continue;
4957
4958                 name = get_win_name(win->id);
4959                 if (name == NULL)
4960                         continue;
4961                 fprintf(lfile, "%s.%u\n", name, win->id);
4962                 free(name);
4963         }
4964
4965         fclose(lfile);
4966 }
4967
4968 void
4969 name_workspace(struct swm_region *r, union arg *args)
4970 {
4971         FILE                    *lfile;
4972
4973         DNPRINTF(SWM_D_MISC, "name_workspace\n");
4974
4975         if (r == NULL)
4976                 return;
4977
4978         search_r = r;
4979         search_resp_action = SWM_SEARCH_NAME_WORKSPACE;
4980
4981         spawn_select(r, args, "name_workspace", &searchpid);
4982
4983         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
4984                 return;
4985
4986         fprintf(lfile, "%s", "");
4987         fclose(lfile);
4988 }
4989
4990 void
4991 search_workspace(struct swm_region *r, union arg *args)
4992 {
4993         int                     i;
4994         struct workspace        *ws;
4995         FILE                    *lfile;
4996
4997         DNPRINTF(SWM_D_MISC, "search_workspace\n");
4998
4999         if (r == NULL)
5000                 return;
5001
5002         search_r = r;
5003         search_resp_action = SWM_SEARCH_SEARCH_WORKSPACE;
5004
5005         spawn_select(r, args, "search", &searchpid);
5006
5007         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5008                 return;
5009
5010         for (i = 0; i < workspace_limit; i++) {
5011                 ws = &r->s->ws[i];
5012                 if (ws == NULL)
5013                         continue;
5014                 fprintf(lfile, "%d%s%s\n", ws->idx + 1,
5015                     (ws->name ? ":" : ""), (ws->name ? ws->name : ""));
5016         }
5017
5018         fclose(lfile);
5019 }
5020
5021 void
5022 search_win_cleanup(void)
5023 {
5024         struct search_window    *sw = NULL;
5025
5026         while ((sw = TAILQ_FIRST(&search_wl)) != NULL) {
5027                 xcb_destroy_window(conn, sw->indicator);
5028                 TAILQ_REMOVE(&search_wl, sw, entry);
5029                 free(sw);
5030         }
5031 }
5032
5033 void
5034 search_win(struct swm_region *r, union arg *args)
5035 {
5036         struct ws_win           *win = NULL;
5037         struct search_window    *sw = NULL;
5038         xcb_window_t            w;
5039         uint32_t                wa[2];
5040         int                     i, width, height;
5041         char                    s[8];
5042         FILE                    *lfile;
5043         size_t                  len;
5044         XftDraw                 *draw;
5045         XGlyphInfo              info;
5046         GC                      l_draw;
5047         XGCValues               l_gcv;
5048         XRectangle              l_ibox, l_lbox;
5049
5050         DNPRINTF(SWM_D_MISC, "search_win\n");
5051
5052         search_r = r;
5053         search_resp_action = SWM_SEARCH_SEARCH_WINDOW;
5054
5055         spawn_select(r, args, "search", &searchpid);
5056
5057         if ((lfile = fdopen(select_list_pipe[1], "w")) == NULL)
5058                 return;
5059
5060         TAILQ_INIT(&search_wl);
5061
5062         i = 1;
5063         TAILQ_FOREACH(win, &r->ws->winlist, entry) {
5064                 if (win->iconic)
5065                         continue;
5066
5067                 sw = calloc(1, sizeof(struct search_window));
5068                 if (sw == NULL) {
5069                         warn("search_win: calloc");
5070                         fclose(lfile);
5071                         search_win_cleanup();
5072                         return;
5073                 }
5074                 sw->idx = i;
5075                 sw->win = win;
5076
5077                 snprintf(s, sizeof s, "%d", i);
5078                 len = strlen(s);
5079
5080                 w = xcb_generate_id(conn);
5081                 wa[0] = r->s->c[SWM_S_COLOR_FOCUS].pixel;
5082                 wa[1] = r->s->c[SWM_S_COLOR_UNFOCUS].pixel;
5083
5084                 if (bar_font_legacy) {
5085                         XmbTextExtents(bar_fs, s, len, &l_ibox, &l_lbox);
5086                         width = l_lbox.width + 4;
5087                         height = bar_fs_extents->max_logical_extent.height + 4;
5088                 } else {
5089                         XftTextExtentsUtf8(display, bar_font, (FcChar8 *)s, len,
5090                             &info);
5091                         width = info.width + 4;
5092                         height = bar_font->height + 4;
5093                 }
5094
5095                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, win->id, 0, 0,
5096                     width, height, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
5097                     XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL |
5098                     XCB_CW_BORDER_PIXEL, wa);
5099
5100                 xcb_map_window(conn, w);
5101
5102                 sw->indicator = w;
5103                 TAILQ_INSERT_TAIL(&search_wl, sw, entry);
5104
5105                 if (bar_font_legacy) {
5106                         l_gcv.graphics_exposures = 0;
5107                         l_draw = XCreateGC(display, w, 0, &l_gcv);
5108
5109                         XSetForeground(display, l_draw,
5110                                 r->s->c[SWM_S_COLOR_BAR].pixel);
5111
5112                         DRAWSTRING(display, w, bar_fs, l_draw, 2,
5113                             (bar_fs_extents->max_logical_extent.height -
5114                             l_lbox.height) / 2 - l_lbox.y, s, len);
5115
5116                         XFreeGC(display, l_draw);
5117                 } else {
5118
5119                         draw = XftDrawCreate(display, w,
5120                             DefaultVisual(display, r->s->idx),
5121                             DefaultColormap(display, r->s->idx));
5122
5123                         XftDrawStringUtf8(draw, &bar_font_color, bar_font, 2,
5124                             (HEIGHT(r->bar) + bar_font->height) / 2 -
5125                             bar_font->descent, (FcChar8 *)s, len);
5126
5127                         XftDrawDestroy(draw);
5128                 }
5129
5130                 DNPRINTF(SWM_D_MISC, "search_win: mapped window: 0x%x\n", w);
5131
5132                 fprintf(lfile, "%d\n", i);
5133                 i++;
5134         }
5135
5136         fclose(lfile);
5137
5138         xcb_flush(conn);
5139 }
5140
5141 void
5142 search_resp_uniconify(const char *resp, size_t len)
5143 {
5144         char                    *name;
5145         struct ws_win           *win;
5146         char                    *s;
5147
5148         DNPRINTF(SWM_D_MISC, "search_resp_uniconify: resp: %s\n", resp);
5149
5150         TAILQ_FOREACH(win, &search_r->ws->winlist, entry) {
5151                 if (!win->iconic)
5152                         continue;
5153                 name = get_win_name(win->id);
5154                 if (name == NULL)
5155                         continue;
5156                 if (asprintf(&s, "%s.%u", name, win->id) == -1) {
5157                         free(name);
5158                         continue;
5159                 }
5160                 free(name);
5161                 if (strncmp(s, resp, len) == 0) {
5162                         /* XXX this should be a callback to generalize */
5163                         set_swm_iconic(win, 0);
5164                         free(s);
5165                         break;
5166                 }
5167                 free(s);
5168         }
5169 }
5170
5171 void
5172 search_resp_name_workspace(const char *resp, size_t len)
5173 {
5174         struct workspace        *ws;
5175
5176         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: resp: %s\n", resp);
5177
5178         if (search_r->ws == NULL)
5179                 return;
5180         ws = search_r->ws;
5181
5182         if (ws->name) {
5183                 free(search_r->ws->name);
5184                 search_r->ws->name = NULL;
5185         }
5186
5187         if (len > 1) {
5188                 ws->name = strdup(resp);
5189                 if (ws->name == NULL) {
5190                         DNPRINTF(SWM_D_MISC, "search_resp_name_workspace: "
5191                             "strdup: %s", strerror(errno));
5192                         return;
5193                 }
5194         }
5195 }
5196
5197 void
5198 search_resp_search_workspace(const char *resp)
5199 {
5200         char                    *p, *q;
5201         int                     ws_idx;
5202         const char              *errstr;
5203         union arg               a;
5204
5205         DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: resp: %s\n", resp);
5206
5207         q = strdup(resp);
5208         if (q == NULL) {
5209                 DNPRINTF(SWM_D_MISC, "search_resp_search_workspace: strdup: %s",
5210                     strerror(errno));
5211                 return;
5212         }
5213         p = strchr(q, ':');
5214         if (p != NULL)
5215                 *p = '\0';
5216         ws_idx = (int)strtonum(q, 1, workspace_limit, &errstr);
5217         if (errstr) {
5218                 DNPRINTF(SWM_D_MISC, "workspace idx is %s: %s",
5219                     errstr, q);
5220                 free(q);
5221                 return;
5222         }
5223         free(q);
5224         a.id = ws_idx - 1;
5225         switchws(search_r, &a);
5226 }
5227
5228 void
5229 search_resp_search_window(const char *resp)
5230 {
5231         char                    *s;
5232         int                     idx;
5233         const char              *errstr;
5234         struct search_window    *sw;
5235
5236         DNPRINTF(SWM_D_MISC, "search_resp_search_window: resp: %s\n", resp);
5237
5238         s = strdup(resp);
5239         if (s == NULL) {
5240                 DNPRINTF(SWM_D_MISC, "search_resp_search_window: strdup: %s",
5241                     strerror(errno));
5242                 return;
5243         }
5244
5245         idx = (int)strtonum(s, 1, INT_MAX, &errstr);
5246         if (errstr) {
5247                 DNPRINTF(SWM_D_MISC, "window idx is %s: %s",
5248                     errstr, s);
5249                 free(s);
5250                 return;
5251         }
5252         free(s);
5253
5254         TAILQ_FOREACH(sw, &search_wl, entry)
5255                 if (idx == sw->idx) {
5256                         focus_win(sw->win);
5257                         break;
5258                 }
5259 }
5260
5261 #define MAX_RESP_LEN    1024
5262
5263 void
5264 search_do_resp(void)
5265 {
5266         ssize_t                 rbytes;
5267         char                    *resp;
5268         size_t                  len;
5269
5270         DNPRINTF(SWM_D_MISC, "search_do_resp:\n");
5271
5272         search_resp = 0;
5273         searchpid = 0;
5274
5275         if ((resp = calloc(1, MAX_RESP_LEN + 1)) == NULL) {
5276                 warn("search: calloc");
5277                 goto done;
5278         }
5279
5280         rbytes = read(select_resp_pipe[0], resp, MAX_RESP_LEN);
5281         if (rbytes <= 0) {
5282                 warn("search: read error");
5283                 goto done;
5284         }
5285         resp[rbytes] = '\0';
5286
5287         /* XXX:
5288          * Older versions of dmenu (Atleast pre 4.4.1) do not send a
5289          * newline, so work around that by sanitizing the resp now.
5290          */
5291         resp[strcspn(resp, "\n")] = '\0';
5292         len = strlen(resp);
5293
5294         switch (search_resp_action) {
5295         case SWM_SEARCH_UNICONIFY:
5296                 search_resp_uniconify(resp, len);
5297                 break;
5298         case SWM_SEARCH_NAME_WORKSPACE:
5299                 search_resp_name_workspace(resp, len);
5300                 break;
5301         case SWM_SEARCH_SEARCH_WORKSPACE:
5302                 search_resp_search_workspace(resp);
5303                 break;
5304         case SWM_SEARCH_SEARCH_WINDOW:
5305                 search_resp_search_window(resp);
5306                 break;
5307         }
5308
5309 done:
5310         if (search_resp_action == SWM_SEARCH_SEARCH_WINDOW)
5311                 search_win_cleanup();
5312
5313         search_resp_action = SWM_SEARCH_NONE;
5314         close(select_resp_pipe[0]);
5315         free(resp);
5316
5317         xcb_flush(conn);
5318 }
5319
5320 void
5321 wkill(struct swm_region *r, union arg *args)
5322 {
5323         DNPRINTF(SWM_D_MISC, "wkill: id: %d\n", args->id);
5324
5325         if (r->ws->focus == NULL)
5326                 return;
5327
5328         if (args->id == SWM_ARG_ID_KILLWINDOW)
5329                 xcb_kill_client(conn, r->ws->focus->id);
5330         else
5331                 if (r->ws->focus->can_delete)
5332                         client_msg(r->ws->focus, a_delete, 0);
5333
5334         focus_flush();
5335 }
5336
5337 int
5338 floating_toggle_win(struct ws_win *win)
5339 {
5340         if (win == NULL)
5341                 return (0);
5342
5343         if (win->ws->r == NULL)
5344                 return (0);
5345
5346         /* reject floating toggles in max stack mode */
5347         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK])
5348                 return (0);
5349
5350         if (win->floating) {
5351                 if (!win->floatmaxed) {
5352                         /* retain position for refloat */
5353                         store_float_geom(win);
5354                 }
5355                 win->floating = 0;
5356         } else {
5357                 load_float_geom(win);
5358                 win->floating = 1;
5359         }
5360
5361         ewmh_update_actions(win);
5362
5363         return (1);
5364 }
5365
5366 void
5367 floating_toggle(struct swm_region *r, union arg *args)
5368 {
5369         struct ws_win           *win = r->ws->focus;
5370
5371         /* suppress unused warning since var is needed */
5372         (void)args;
5373
5374         if (win == NULL)
5375                 return;
5376
5377         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5378                 return;
5379
5380         ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5381             _NET_WM_STATE_TOGGLE);
5382
5383         stack();
5384
5385         if (win == win->ws->focus)
5386                 focus_win(win);
5387
5388         focus_flush();
5389 }
5390
5391 void
5392 region_containment(struct ws_win *win, struct swm_region *r, int opts)
5393 {
5394         struct swm_geometry             g = r->g;
5395         int                             rt, lt, tp, bm, bw;
5396
5397         bw = (opts & SWM_CW_SOFTBOUNDARY) ? boundary_width : 0;
5398
5399         /*
5400          * Perpendicular distance of each side of the window to the respective
5401          * side of the region boundary.  Positive values indicate the side of
5402          * the window has passed beyond the region boundary.
5403          */
5404         rt = opts & SWM_CW_RIGHT ? MAX_X(win) + BORDER(win) - MAX_X(r) : bw;
5405         lt = opts & SWM_CW_LEFT ? X(r) - X(win) + BORDER(win) : bw;
5406         bm = opts & SWM_CW_BOTTOM ? MAX_Y(win) + BORDER(win) - MAX_Y(r) : bw;
5407         tp = opts & SWM_CW_TOP ? Y(r) - Y(win) + BORDER(win) : bw;
5408
5409         DNPRINTF(SWM_D_MISC, "region_containment: win 0x%x, rt: %d, lt: %d, "
5410             "bm: %d, tp: %d, SOFTBOUNDARY: %s, HARDBOUNDARY: %s\n", win->id, rt,
5411             lt, bm, tp, YESNO(opts & SWM_CW_SOFTBOUNDARY),
5412             YESNO(opts & SWM_CW_HARDBOUNDARY));
5413
5414         /*
5415          * Disable containment if any of the flagged sides went beyond the
5416          * containment boundary, or if containment is disabled.
5417          */
5418         if (!(opts & SWM_CW_HARDBOUNDARY || opts & SWM_CW_SOFTBOUNDARY) ||
5419             (bw != 0 && ((rt > bw) || (lt > bw) || (bm > bw) || (tp > bw)))) {
5420                 /* Make sure window has at least 1 pixel in the region */
5421                 g.x += 1 - WIDTH(win);
5422                 g.y += 1 - HEIGHT(win);
5423                 g.w += 2 * WIDTH(win) - 2;
5424                 g.h += 2 * HEIGHT(win) - 2;
5425         }
5426
5427         constrain_window(win, &g, &opts);
5428 }
5429
5430 /* Move or resize a window so that flagged side(s) fit into the supplied box. */
5431 void
5432 constrain_window(struct ws_win *win, struct swm_geometry *b, int *opts)
5433 {
5434         DNPRINTF(SWM_D_MISC, "constrain_window: window: 0x%x, (x,y) w x h: "
5435             "(%d,%d) %d x %d, box: (x,y) w x h: (%d,%d) %d x %d, rt: %s, "
5436             "lt: %s, bt: %s, tp: %s, allow resize: %s\n", win->id, X(win),
5437             Y(win), WIDTH(win), HEIGHT(win), b->x, b->y, b->w, b->h,
5438             YESNO(*opts & SWM_CW_RIGHT), YESNO(*opts & SWM_CW_LEFT),
5439             YESNO(*opts & SWM_CW_BOTTOM), YESNO(*opts & SWM_CW_TOP),
5440             YESNO(*opts & SWM_CW_RESIZABLE));
5441
5442         if ((*opts & SWM_CW_RIGHT) && MAX_X(win) + BORDER(win) > b->x + b->w) {
5443                 if (*opts & SWM_CW_RESIZABLE)
5444                         WIDTH(win) = b->x + b->w - X(win) - BORDER(win);
5445                 else
5446                         X(win) = b->x + b->w - WIDTH(win) - BORDER(win);
5447         }
5448
5449         if ((*opts & SWM_CW_LEFT) && X(win) + BORDER(win) < b->x) {
5450                 if (*opts & SWM_CW_RESIZABLE)
5451                         WIDTH(win) -= b->x - X(win) - BORDER(win);
5452
5453                 X(win) = b->x - BORDER(win);
5454         }
5455
5456         if ((*opts & SWM_CW_BOTTOM) && MAX_Y(win) + BORDER(win) > b->y + b->h) {
5457                 if (*opts & SWM_CW_RESIZABLE)
5458                         HEIGHT(win) = b->y + b->h - Y(win) - BORDER(win);
5459                 else
5460                         Y(win) = b->y + b->h - HEIGHT(win) - BORDER(win);
5461         }
5462
5463         if ((*opts & SWM_CW_TOP) && Y(win) + BORDER(win) < b->y) {
5464                 if (*opts & SWM_CW_RESIZABLE)
5465                         HEIGHT(win) -= b->y - Y(win) - BORDER(win);
5466
5467                 Y(win) = b->y - BORDER(win);
5468         }
5469
5470         if (*opts & SWM_CW_RESIZABLE) {
5471                 if (WIDTH(win) < 1)
5472                         WIDTH(win) = 1;
5473                 if (HEIGHT(win) < 1)
5474                         HEIGHT(win) = 1;
5475         }
5476 }
5477
5478 void
5479 update_window(struct ws_win *win)
5480 {
5481         uint16_t        mask;
5482         uint32_t        wc[5];
5483
5484         mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
5485             XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
5486             XCB_CONFIG_WINDOW_BORDER_WIDTH;
5487         wc[0] = X(win);
5488         wc[1] = Y(win);
5489         wc[2] = WIDTH(win);
5490         wc[3] = HEIGHT(win);
5491         wc[4] = BORDER(win);
5492
5493         DNPRINTF(SWM_D_EVENT, "update_window: window: 0x%x, (x,y) w x h: "
5494             "(%d,%d) %d x %d, bordered: %s\n", win->id, wc[0], wc[1], wc[2],
5495             wc[3], YESNO(win->bordered));
5496
5497         xcb_configure_window(conn, win->id, mask, wc);
5498 }
5499
5500 #define SWM_RESIZE_STEPS        (50)
5501
5502 void
5503 resize(struct ws_win *win, union arg *args)
5504 {
5505         xcb_timestamp_t         timestamp = 0;
5506         struct swm_region       *r = NULL;
5507         int                     resize_stp = 0;
5508         struct swm_geometry     g;
5509         int                     top = 0, left = 0, resizing;
5510         int                     dx, dy;
5511         xcb_cursor_t                    cursor;
5512         xcb_query_pointer_reply_t       *xpr = NULL;
5513         xcb_generic_event_t             *evt;
5514         xcb_motion_notify_event_t       *mne;
5515
5516         if (win == NULL)
5517                 return;
5518         r = win->ws->r;
5519
5520         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5521                 return;
5522
5523         DNPRINTF(SWM_D_EVENT, "resize: window: 0x%x, floating: %s, "
5524             "transient: 0x%x\n", win->id, YESNO(win->floating),
5525             win->transient);
5526
5527         if (!win->transient && !win->floating)
5528                 return;
5529
5530         /* reject resizes in max mode for floaters (transient ok) */
5531         if (win->floatmaxed)
5532                 return;
5533
5534         win->manual = 1;
5535         ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5536             _NET_WM_STATE_ADD);
5537
5538         stack();
5539
5540         focus_flush();
5541
5542         /* It's possible for win to have been freed during focus_flush(). */
5543         if (validate_win(win)) {
5544                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5545                 goto out;
5546         }
5547
5548         switch (args->id) {
5549         case SWM_ARG_ID_WIDTHSHRINK:
5550                 WIDTH(win) -= SWM_RESIZE_STEPS;
5551                 resize_stp = 1;
5552                 break;
5553         case SWM_ARG_ID_WIDTHGROW:
5554                 WIDTH(win) += SWM_RESIZE_STEPS;
5555                 resize_stp = 1;
5556                 break;
5557         case SWM_ARG_ID_HEIGHTSHRINK:
5558                 HEIGHT(win) -= SWM_RESIZE_STEPS;
5559                 resize_stp = 1;
5560                 break;
5561         case SWM_ARG_ID_HEIGHTGROW:
5562                 HEIGHT(win) += SWM_RESIZE_STEPS;
5563                 resize_stp = 1;
5564                 break;
5565         default:
5566                 break;
5567         }
5568         if (resize_stp) {
5569                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5570                     SWM_CW_HARDBOUNDARY);
5571                 update_window(win);
5572                 store_float_geom(win);
5573                 return;
5574         }
5575
5576         region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5577             SWM_CW_SOFTBOUNDARY);
5578         update_window(win);
5579
5580         /* get cursor offset from window root */
5581         xpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5582             NULL);
5583         if (xpr == NULL)
5584                 return;
5585
5586         g = win->g;
5587
5588         if (xpr->win_x < WIDTH(win) / 2)
5589                 left = 1;
5590
5591         if (xpr->win_y < HEIGHT(win) / 2)
5592                 top = 1;
5593
5594         if (args->id == SWM_ARG_ID_CENTER)
5595                 cursor = cursors[XC_SIZING].cid;
5596         else if (top)
5597                 cursor = cursors[left ? XC_TOP_LEFT_CORNER :
5598                     XC_TOP_RIGHT_CORNER].cid;
5599         else
5600                 cursor = cursors[left ? XC_BOTTOM_LEFT_CORNER :
5601                     XC_BOTTOM_RIGHT_CORNER].cid;
5602
5603         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5604             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE, cursor,
5605             XCB_CURRENT_TIME),
5606
5607         xcb_flush(conn);
5608         resizing = 1;
5609         while (resizing && (evt = xcb_wait_for_event(conn))) {
5610                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5611                 case XCB_BUTTON_RELEASE:
5612                         DNPRINTF(SWM_D_EVENT, "resize: BUTTON_RELEASE\n");
5613                         resizing = 0;
5614                         break;
5615                 case XCB_MOTION_NOTIFY:
5616                         mne = (xcb_motion_notify_event_t *)evt;
5617                         /* cursor offset/delta from start of the operation */
5618                         dx = mne->root_x - xpr->root_x;
5619                         dy = mne->root_y - xpr->root_y;
5620
5621                         /* vertical */
5622                         if (top)
5623                                 dy = -dy;
5624
5625                         if (args->id == SWM_ARG_ID_CENTER) {
5626                                 if (g.h / 2 + dy < 1)
5627                                         dy = 1 - g.h / 2;
5628
5629                                 Y(win) = g.y - dy;
5630                                 HEIGHT(win) = g.h + 2 * dy;
5631                         } else {
5632                                 if (g.h + dy < 1)
5633                                         dy = 1 - g.h;
5634
5635                                 if (top)
5636                                         Y(win) = g.y - dy;
5637
5638                                 HEIGHT(win) = g.h + dy;
5639                         }
5640
5641                         /* horizontal */
5642                         if (left)
5643                                 dx = -dx;
5644
5645                         if (args->id == SWM_ARG_ID_CENTER) {
5646                                 if (g.w / 2 + dx < 1)
5647                                         dx = 1 - g.w / 2;
5648
5649                                 X(win) = g.x - dx;
5650                                 WIDTH(win) = g.w + 2 * dx;
5651                         } else {
5652                                 if (g.w + dx < 1)
5653                                         dx = 1 - g.w;
5654
5655                                 if (left)
5656                                         X(win) = g.x - dx;
5657
5658                                 WIDTH(win) = g.w + dx;
5659                         }
5660
5661                         /* not free, don't sync more than 120 times / second */
5662                         if ((mne->time - timestamp) > (1000 / 120) ) {
5663                                 timestamp = mne->time;
5664                                 regionize(win, mne->root_x, mne->root_y);
5665                                 region_containment(win, r, SWM_CW_ALLSIDES |
5666                                     SWM_CW_RESIZABLE | SWM_CW_HARDBOUNDARY |
5667                                     SWM_CW_SOFTBOUNDARY);
5668                                 update_window(win);
5669                                 xcb_flush(conn);
5670                         }
5671                         break;
5672                 default:
5673                         event_handle(evt);
5674
5675                         /* It's possible for win to have been freed above. */
5676                         if (validate_win(win)) {
5677                                 DNPRINTF(SWM_D_EVENT, "resize: invalid win.\n");
5678                                 goto out;
5679                         }
5680                         break;
5681                 }
5682                 free(evt);
5683         }
5684         if (timestamp) {
5685                 region_containment(win, r, SWM_CW_ALLSIDES | SWM_CW_RESIZABLE |
5686                     SWM_CW_HARDBOUNDARY | SWM_CW_SOFTBOUNDARY);
5687                 update_window(win);
5688                 xcb_flush(conn);
5689         }
5690         store_float_geom(win);
5691 out:
5692         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5693         free(xpr);
5694         DNPRINTF(SWM_D_EVENT, "resize: done.\n");
5695 }
5696
5697 void
5698 resize_step(struct swm_region *r, union arg *args)
5699 {
5700         struct ws_win           *win = NULL;
5701
5702         if (r && r->ws && r->ws->focus)
5703                 win = r->ws->focus;
5704         else
5705                 return;
5706
5707         resize(win, args);
5708         focus_flush();
5709 }
5710
5711 /* Try to set window region based on supplied coordinates or window center. */
5712 void
5713 regionize(struct ws_win *win, int x, int y)
5714 {
5715         struct swm_region *r = NULL;
5716
5717         r = region_under(win->s, x, y);
5718         if (r == NULL)
5719                 r = region_under(win->s, X(win) + WIDTH(win) / 2,
5720                     Y(win) + HEIGHT(win) / 2);
5721
5722         if (r && r != win->ws->r) {
5723                 win_to_ws(win, r->ws->idx, 0);
5724                 set_region(r);
5725         }
5726 }
5727
5728 #define SWM_MOVE_STEPS  (50)
5729
5730 void
5731 move(struct ws_win *win, union arg *args)
5732 {
5733         xcb_timestamp_t         timestamp = 0;
5734         int                     move_stp = 0, moving;
5735         xcb_query_pointer_reply_t       *qpr = NULL;
5736         xcb_generic_event_t             *evt;
5737         xcb_motion_notify_event_t       *mne;
5738
5739         if (win == NULL)
5740                 return;
5741
5742         if (win->ewmh_flags & EWMH_F_FULLSCREEN)
5743                 return;
5744
5745         DNPRINTF(SWM_D_EVENT, "move: window: 0x%x, floating: %s, transient: "
5746             "0x%x\n", win->id, YESNO(win->floating), win->transient);
5747
5748         /* in max_stack mode should only move transients */
5749         if (win->ws->cur_layout == &layouts[SWM_MAX_STACK] && !win->transient)
5750                 return;
5751
5752         if (!win->manual) {
5753                 win->manual = 1;
5754                 ewmh_update_win_state(win, ewmh[_SWM_WM_STATE_MANUAL].atom,
5755                     _NET_WM_STATE_ADD);
5756         }
5757
5758         /* When a stacked win is moved, float it and restack. */
5759         if (!win->floating && !win->transient) {
5760                 store_float_geom(win);
5761                 ewmh_update_win_state(win, ewmh[_NET_WM_STATE_ABOVE].atom,
5762                     _NET_WM_STATE_ADD);
5763                 stack();
5764         }
5765
5766         focus_flush();
5767
5768         /* It's possible for win to have been freed during focus_flush(). */
5769         if (validate_win(win)) {
5770                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5771                 goto out;
5772         }
5773
5774         move_stp = 0;
5775         switch (args->id) {
5776         case SWM_ARG_ID_MOVELEFT:
5777                 X(win) -= (SWM_MOVE_STEPS - border_width);
5778                 move_stp = 1;
5779                 break;
5780         case SWM_ARG_ID_MOVERIGHT:
5781                 X(win) += (SWM_MOVE_STEPS - border_width);
5782                 move_stp = 1;
5783                 break;
5784         case SWM_ARG_ID_MOVEUP:
5785                 Y(win) -= (SWM_MOVE_STEPS - border_width);
5786                 move_stp = 1;
5787                 break;
5788         case SWM_ARG_ID_MOVEDOWN:
5789                 Y(win) += (SWM_MOVE_STEPS - border_width);
5790                 move_stp = 1;
5791                 break;
5792         default:
5793                 break;
5794         }
5795         if (move_stp) {
5796                 regionize(win, -1, -1);
5797                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES);
5798                 update_window(win);
5799                 store_float_geom(win);
5800                 return;
5801         }
5802
5803         xcb_grab_pointer(conn, 0, win->id, MOUSEMASK,
5804             XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
5805             XCB_WINDOW_NONE, cursors[XC_FLEUR].cid, XCB_CURRENT_TIME);
5806
5807         /* get cursor offset from window root */
5808         qpr = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, win->id),
5809                 NULL);
5810         if (qpr == NULL) {
5811                 xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5812                 return;
5813         }
5814
5815         regionize(win, qpr->root_x, qpr->root_y);
5816         region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5817             SWM_CW_SOFTBOUNDARY);
5818         update_window(win);
5819         xcb_flush(conn);
5820         moving = 1;
5821         while (moving && (evt = xcb_wait_for_event(conn))) {
5822                 switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
5823                 case XCB_BUTTON_RELEASE:
5824                         DNPRINTF(SWM_D_EVENT, "move: BUTTON_RELEASE\n");
5825                         moving = 0;
5826                         break;
5827                 case XCB_MOTION_NOTIFY:
5828                         mne = (xcb_motion_notify_event_t *)evt;
5829                         DNPRINTF(SWM_D_EVENT, "motion: root: 0x%x\n", mne->root);
5830                         X(win) = mne->root_x - qpr->win_x - border_width;
5831                         Y(win) = mne->root_y - qpr->win_y - border_width;
5832
5833                         /* not free, don't sync more than 120 times / second */
5834                         if ((mne->time - timestamp) > (1000 / 120) ) {
5835                                 timestamp = mne->time;
5836                                 regionize(win, mne->root_x, mne->root_y);
5837                                 region_containment(win, win->ws->r,
5838                                     SWM_CW_ALLSIDES | SWM_CW_SOFTBOUNDARY);
5839                                 update_window(win);
5840                                 xcb_flush(conn);
5841                         }
5842                         break;
5843                 default:
5844                         event_handle(evt);
5845
5846                         /* It's possible for win to have been freed above. */
5847                         if (validate_win(win)) {
5848                                 DNPRINTF(SWM_D_EVENT, "move: invalid win.\n");
5849                                 goto out;
5850                         }
5851                         break;
5852                 }
5853                 free(evt);
5854         }
5855         if (timestamp) {
5856                 region_containment(win, win->ws->r, SWM_CW_ALLSIDES |
5857                     SWM_CW_SOFTBOUNDARY);
5858                 update_window(win);
5859                 xcb_flush(conn);
5860         }
5861         store_float_geom(win);
5862 out:
5863         free(qpr);
5864         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
5865         DNPRINTF(SWM_D_EVENT, "move: done.\n");
5866 }
5867
5868 void
5869 move_step(struct swm_region *r, union arg *args)
5870 {
5871         struct ws_win           *win = NULL;
5872
5873         if (r && r->ws && r->ws->focus)
5874                 win = r->ws->focus;
5875         else
5876                 return;
5877
5878         if (!win->transient && !win->floating)
5879                 return;
5880
5881         move(win, args);
5882         focus_flush();
5883 }
5884
5885 /* key definitions */
5886 struct keyfunc {
5887         char                    name[SWM_FUNCNAME_LEN];
5888         void                    (*func)(struct swm_region *r, union arg *);
5889         union arg               args;
5890 } keyfuncs[KF_INVALID + 1] = {
5891         /* name                 function        argument */
5892         { "bar_toggle",         bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE} },
5893         { "bar_toggle_ws",      bar_toggle,     {.id = SWM_ARG_ID_BAR_TOGGLE_WS} },
5894         { "button2",            pressbutton,    {2} },
5895         { "cycle_layout",       cycle_layout,   {0} },
5896         { "flip_layout",        stack_config,   {.id = SWM_ARG_ID_FLIPLAYOUT} },
5897         { "float_toggle",       floating_toggle,{0} },
5898         { "focus_main",         focus,          {.id = SWM_ARG_ID_FOCUSMAIN} },
5899         { "focus_next",         focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
5900         { "focus_prev",         focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
5901         { "focus_urgent",       focus,          {.id = SWM_ARG_ID_FOCUSURGENT} },
5902         { "height_grow",        resize_step,    {.id = SWM_ARG_ID_HEIGHTGROW} },
5903         { "height_shrink",      resize_step,    {.id = SWM_ARG_ID_HEIGHTSHRINK} },
5904         { "iconify",            iconify,        {0} },
5905         { "master_shrink",      stack_config,   {.id = SWM_ARG_ID_MASTERSHRINK} },
5906         { "master_grow",        stack_config,   {.id = SWM_ARG_ID_MASTERGROW} },
5907         { "master_add",         stack_config,   {.id = SWM_ARG_ID_MASTERADD} },
5908         { "master_del",         stack_config,   {.id = SWM_ARG_ID_MASTERDEL} },
5909         { "move_down",          move_step,      {.id = SWM_ARG_ID_MOVEDOWN} },
5910         { "move_left",          move_step,      {.id = SWM_ARG_ID_MOVELEFT} },
5911         { "move_right",         move_step,      {.id = SWM_ARG_ID_MOVERIGHT} },
5912         { "move_up",            move_step,      {.id = SWM_ARG_ID_MOVEUP} },
5913         { "mvrg_1",             send_to_rg,     {.id = 0} },
5914         { "mvrg_2",             send_to_rg,     {.id = 1} },
5915         { "mvrg_3",             send_to_rg,     {.id = 2} },
5916         { "mvrg_4",             send_to_rg,     {.id = 3} },
5917         { "mvrg_5",             send_to_rg,     {.id = 4} },
5918         { "mvrg_6",             send_to_rg,     {.id = 5} },
5919         { "mvrg_7",             send_to_rg,     {.id = 6} },
5920         { "mvrg_8",             send_to_rg,     {.id = 7} },
5921         { "mvrg_9",             send_to_rg,     {.id = 8} },
5922         { "mvws_1",             send_to_ws,     {.id = 0} },
5923         { "mvws_2",             send_to_ws,     {.id = 1} },
5924         { "mvws_3",             send_to_ws,     {.id = 2} },
5925         { "mvws_4",             send_to_ws,     {.id = 3} },
5926         { "mvws_5",             send_to_ws,     {.id = 4} },
5927         { "mvws_6",             send_to_ws,     {.id = 5} },
5928         { "mvws_7",             send_to_ws,     {.id = 6} },
5929         { "mvws_8",             send_to_ws,     {.id = 7} },
5930         { "mvws_9",             send_to_ws,     {.id = 8} },
5931         { "mvws_10",            send_to_ws,     {.id = 9} },
5932         { "mvws_11",            send_to_ws,     {.id = 10} },
5933         { "mvws_12",            send_to_ws,     {.id = 11} },
5934         { "mvws_13",            send_to_ws,     {.id = 12} },
5935         { "mvws_14",            send_to_ws,     {.id = 13} },
5936         { "mvws_15",            send_to_ws,     {.id = 14} },
5937         { "mvws_16",            send_to_ws,     {.id = 15} },
5938         { "mvws_17",            send_to_ws,     {.id = 16} },
5939         { "mvws_18",            send_to_ws,     {.id = 17} },
5940         { "mvws_19",            send_to_ws,     {.id = 18} },
5941         { "mvws_20",            send_to_ws,     {.id = 19} },
5942         { "mvws_21",            send_to_ws,     {.id = 20} },
5943         { "mvws_22",            send_to_ws,     {.id = 21} },
5944         { "name_workspace",     name_workspace, {0} },
5945         { "quit",               quit,           {0} },
5946         { "raise_toggle",       raise_toggle,   {0} },
5947         { "restart",            restart,        {0} },
5948         { "rg_1",               focusrg,        {.id = 0} },
5949         { "rg_2",               focusrg,        {.id = 1} },
5950         { "rg_3",               focusrg,        {.id = 2} },
5951         { "rg_4",               focusrg,        {.id = 3} },
5952         { "rg_5",               focusrg,        {.id = 4} },
5953         { "rg_6",               focusrg,        {.id = 5} },
5954         { "rg_7",               focusrg,        {.id = 6} },
5955         { "rg_8",               focusrg,        {.id = 7} },
5956         { "rg_9",               focusrg,        {.id = 8} },
5957         { "rg_next",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5958         { "rg_prev",            cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5959         { "screen_next",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_UP} },
5960         { "screen_prev",        cyclerg,        {.id = SWM_ARG_ID_CYCLERG_DOWN} },
5961         { "search_win",         search_win,     {0} },
5962         { "search_workspace",   search_workspace,       {0} },
5963         { "spawn_custom",       NULL,           {0} },
5964         { "stack_inc",          stack_config,   {.id = SWM_ARG_ID_STACKINC} },
5965         { "stack_dec",          stack_config,   {.id = SWM_ARG_ID_STACKDEC} },
5966         { "stack_reset",        stack_config,   {.id = SWM_ARG_ID_STACKRESET} },
5967         { "swap_main",          swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
5968         { "swap_next",          swapwin,        {.id = SWM_ARG_ID_SWAPNEXT} },
5969         { "swap_prev",          swapwin,        {.id = SWM_ARG_ID_SWAPPREV} },
5970         { "uniconify",          uniconify,      {0} },
5971         { "version",            version,        {0} },
5972         { "width_grow",         resize_step,    {.id = SWM_ARG_ID_WIDTHGROW} },
5973         { "width_shrink",       resize_step,    {.id = SWM_ARG_ID_WIDTHSHRINK} },
5974         { "wind_del",           wkill,          {.id = SWM_ARG_ID_DELETEWINDOW} },
5975         { "wind_kill",          wkill,          {.id = SWM_ARG_ID_KILLWINDOW} },
5976         { "ws_1",               switchws,       {.id = 0} },
5977         { "ws_2",               switchws,       {.id = 1} },
5978         { "ws_3",               switchws,       {.id = 2} },
5979         { "ws_4",               switchws,       {.id = 3} },
5980         { "ws_5",               switchws,       {.id = 4} },
5981         { "ws_6",               switchws,       {.id = 5} },
5982         { "ws_7",               switchws,       {.id = 6} },
5983         { "ws_8",               switchws,       {.id = 7} },
5984         { "ws_9",               switchws,       {.id = 8} },
5985         { "ws_10",              switchws,       {.id = 9} },
5986         { "ws_11",              switchws,       {.id = 10} },
5987         { "ws_12",              switchws,       {.id = 11} },
5988         { "ws_13",              switchws,       {.id = 12} },
5989         { "ws_14",              switchws,       {.id = 13} },
5990         { "ws_15",              switchws,       {.id = 14} },
5991         { "ws_16",              switchws,       {.id = 15} },
5992         { "ws_17",              switchws,       {.id = 16} },
5993         { "ws_18",              switchws,       {.id = 17} },
5994         { "ws_19",              switchws,       {.id = 18} },
5995         { "ws_20",              switchws,       {.id = 19} },
5996         { "ws_21",              switchws,       {.id = 20} },
5997         { "ws_22",              switchws,       {.id = 21} },
5998         { "ws_next",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} },
5999         { "ws_next_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP_ALL} },
6000         { "ws_next_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_UP} },
6001         { "ws_prev",            cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} },
6002         { "ws_prev_all",        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN_ALL} },
6003         { "ws_prev_move",       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_MOVE_DOWN} },
6004         { "ws_prior",           priorws,        {0} },
6005         { "dumpwins",           dumpwins,       {0} }, /* MUST BE LAST */
6006         { "invalid key func",   NULL,           {0} },
6007 };
6008
6009 int
6010 key_cmp(struct key *kp1, struct key *kp2)
6011 {
6012         if (kp1->keysym < kp2->keysym)
6013                 return (-1);
6014         if (kp1->keysym > kp2->keysym)
6015                 return (1);
6016
6017         if (kp1->mod < kp2->mod)
6018                 return (-1);
6019         if (kp1->mod > kp2->mod)
6020                 return (1);
6021
6022         return (0);
6023 }
6024
6025 /* mouse */
6026 enum { client_click, root_click };
6027 struct button {
6028         unsigned int            action;
6029         unsigned int            mask;
6030         unsigned int            button;
6031         void                    (*func)(struct ws_win *, union arg *);
6032         union arg               args;
6033 } buttons[] = {
6034 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6035           /* action     key             mouse button    func    args */
6036         { client_click, MODKEY,         XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_DONTCENTER} },
6037         { client_click, MODKEY_SHIFT,   XCB_BUTTON_INDEX_3,     resize, {.id = SWM_ARG_ID_CENTER} },
6038         { client_click, MODKEY,         XCB_BUTTON_INDEX_1,     move,   {0} },
6039 #undef MODKEY_SHIFT
6040 };
6041
6042 void
6043 update_modkey(unsigned int mod)
6044 {
6045         int                     i;
6046         struct key              *kp;
6047
6048         mod_key = mod;
6049         RB_FOREACH(kp, key_tree, &keys)
6050                 if (kp->mod & XCB_MOD_MASK_SHIFT)
6051                         kp->mod = mod | XCB_MOD_MASK_SHIFT;
6052                 else
6053                         kp->mod = mod;
6054
6055         for (i = 0; i < LENGTH(buttons); i++)
6056                 if (buttons[i].mask & XCB_MOD_MASK_SHIFT)
6057                         buttons[i].mask = mod | XCB_MOD_MASK_SHIFT;
6058                 else
6059                         buttons[i].mask = mod;
6060 }
6061
6062 int
6063 spawn_expand(struct swm_region *r, union arg *args, const char *spawn_name,
6064     char ***ret_args)
6065 {
6066         struct spawn_prog       *prog = NULL;
6067         int                     i, c;
6068         char                    *ap, **real_args;
6069
6070         /* suppress unused warning since var is needed */
6071         (void)args;
6072
6073         DNPRINTF(SWM_D_SPAWN, "spawn_expand: %s\n", spawn_name);
6074
6075         /* find program */
6076         TAILQ_FOREACH(prog, &spawns, entry) {
6077                 if (strcasecmp(spawn_name, prog->name) == 0)
6078                         break;
6079         }
6080         if (prog == NULL) {
6081                 warnx("spawn_custom: program %s not found", spawn_name);
6082                 return (-1);
6083         }
6084
6085         /* make room for expanded args */
6086         if ((real_args = calloc(prog->argc + 1, sizeof(char *))) == NULL)
6087                 err(1, "spawn_custom: calloc real_args");
6088
6089         /* expand spawn_args into real_args */
6090         for (i = c = 0; i < prog->argc; i++) {
6091                 ap = prog->argv[i];
6092                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: raw arg: %s\n", ap);
6093                 if (strcasecmp(ap, "$bar_border") == 0) {
6094                         if ((real_args[c] =
6095                             strdup(r->s->c[SWM_S_COLOR_BAR_BORDER].name))
6096                             == NULL)
6097                                 err(1,  "spawn_custom border color");
6098                 } else if (strcasecmp(ap, "$bar_color") == 0) {
6099                         if ((real_args[c] =
6100                             strdup(r->s->c[SWM_S_COLOR_BAR].name))
6101                             == NULL)
6102                                 err(1, "spawn_custom bar color");
6103                 } else if (strcasecmp(ap, "$bar_font") == 0) {
6104                         if ((real_args[c] = strdup(bar_fonts))
6105                             == NULL)
6106                                 err(1, "spawn_custom bar fonts");
6107                 } else if (strcasecmp(ap, "$bar_font_color") == 0) {
6108                         if ((real_args[c] =
6109                             strdup(r->s->c[SWM_S_COLOR_BAR_FONT].name))
6110                             == NULL)
6111                                 err(1, "spawn_custom color font");
6112                 } else if (strcasecmp(ap, "$color_focus") == 0) {
6113                         if ((real_args[c] =
6114                             strdup(r->s->c[SWM_S_COLOR_FOCUS].name))
6115                             == NULL)
6116                                 err(1, "spawn_custom color focus");
6117                 } else if (strcasecmp(ap, "$color_unfocus") == 0) {
6118                         if ((real_args[c] =
6119                             strdup(r->s->c[SWM_S_COLOR_UNFOCUS].name))
6120                             == NULL)
6121                                 err(1, "spawn_custom color unfocus");
6122                 } else if (strcasecmp(ap, "$region_index") == 0) {
6123                         if (asprintf(&real_args[c], "%d",
6124                             get_region_index(r) + 1) < 1)
6125                                 err(1, "spawn_custom region index");
6126                 } else if (strcasecmp(ap, "$workspace_index") == 0) {
6127                         if (asprintf(&real_args[c], "%d", r->ws->idx + 1) < 1)
6128                                 err(1, "spawn_custom workspace index");
6129                 } else if (strcasecmp(ap, "$dmenu_bottom") == 0) {
6130                         if (!bar_at_bottom)
6131                                 continue;
6132                         if ((real_args[c] = strdup("-b")) == NULL)
6133                                 err(1, "spawn_custom workspace index");
6134                 } else {
6135                         /* no match --> copy as is */
6136                         if ((real_args[c] = strdup(ap)) == NULL)
6137                                 err(1, "spawn_custom strdup(ap)");
6138                 }
6139                 DNPRINTF(SWM_D_SPAWN, "spawn_custom: cooked arg: %s\n",
6140                     real_args[c]);
6141                 ++c;
6142         }
6143
6144 #ifdef SWM_DEBUG
6145         DNPRINTF(SWM_D_SPAWN, "spawn_custom: result: ");
6146         for (i = 0; i < c; ++i)
6147                 DPRINTF("\"%s\" ", real_args[i]);
6148         DPRINTF("\n");
6149 #endif
6150         *ret_args = real_args;
6151         return (c);
6152 }
6153
6154 void
6155 spawn_custom(struct swm_region *r, union arg *args, const char *spawn_name)
6156 {
6157         union arg               a;
6158         char                    **real_args;
6159         int                     spawn_argc, i;
6160
6161         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6162                 return;
6163         a.argv = real_args;
6164         if (fork() == 0)
6165                 spawn(r->ws->idx, &a, 1);
6166
6167         for (i = 0; i < spawn_argc; i++)
6168                 free(real_args[i]);
6169         free(real_args);
6170 }
6171
6172 void
6173 spawn_select(struct swm_region *r, union arg *args, const char *spawn_name,
6174     int *pid)
6175 {
6176         union arg               a;
6177         char                    **real_args;
6178         int                     i, spawn_argc;
6179
6180         if ((spawn_argc = spawn_expand(r, args, spawn_name, &real_args)) < 0)
6181                 return;
6182         a.argv = real_args;
6183
6184         if (pipe(select_list_pipe) == -1)
6185                 err(1, "pipe error");
6186         if (pipe(select_resp_pipe) == -1)
6187                 err(1, "pipe error");
6188
6189         if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
6190                 err(1, "could not disable SIGPIPE");
6191         switch (*pid = fork()) {
6192         case -1:
6193                 err(1, "cannot fork");
6194                 break;
6195         case 0: /* child */
6196                 if (dup2(select_list_pipe[0], STDIN_FILENO) == -1)
6197                         err(1, "dup2");
6198                 if (dup2(select_resp_pipe[1], STDOUT_FILENO) == -1)
6199                         err(1, "dup2");
6200                 close(select_list_pipe[1]);
6201                 close(select_resp_pipe[0]);
6202                 spawn(r->ws->idx, &a, 0);
6203                 break;
6204         default: /* parent */
6205                 close(select_list_pipe[0]);
6206                 close(select_resp_pipe[1]);
6207                 break;
6208         }
6209
6210         for (i = 0; i < spawn_argc; i++)
6211                 free(real_args[i]);
6212         free(real_args);
6213 }
6214
6215 void
6216 spawn_insert(const char *name, const char *args, int flags)
6217 {
6218         char                    *arg, *cp, *ptr;
6219         struct spawn_prog       *sp;
6220
6221         DNPRINTF(SWM_D_SPAWN, "spawn_insert: %s\n", name);
6222
6223         if ((sp = calloc(1, sizeof *sp)) == NULL)
6224                 err(1, "spawn_insert: calloc");
6225         if ((sp->name = strdup(name)) == NULL)
6226                 err(1, "spawn_insert: strdup");
6227
6228         /* convert the arguments to an argument list */
6229         if ((ptr = cp = strdup(args)) == NULL)
6230                 err(1, "spawn_insert: strdup");
6231         while ((arg = strsep(&ptr, " \t")) != NULL) {
6232                 /* empty field; skip it */
6233                 if (*arg == '\0')
6234                         continue;
6235
6236                 sp->argc++;
6237                 if ((sp->argv = realloc(sp->argv, sp->argc *
6238                     sizeof *sp->argv)) == NULL)
6239                         err(1, "spawn_insert: realloc");
6240                 if ((sp->argv[sp->argc - 1] = strdup(arg)) == NULL)
6241                         err(1, "spawn_insert: strdup");
6242         }
6243         free(cp);
6244
6245         sp->flags = flags;
6246
6247         TAILQ_INSERT_TAIL(&spawns, sp, entry);
6248         DNPRINTF(SWM_D_SPAWN, "spawn_insert: leave\n");
6249 }
6250
6251 void
6252 spawn_remove(struct spawn_prog *sp)
6253 {
6254         int                     i;
6255
6256         DNPRINTF(SWM_D_SPAWN, "spawn_remove: %s\n", sp->name);
6257
6258         TAILQ_REMOVE(&spawns, sp, entry);
6259         for (i = 0; i < sp->argc; i++)
6260                 free(sp->argv[i]);
6261         free(sp->argv);
6262         free(sp->name);
6263         free(sp);
6264
6265         DNPRINTF(SWM_D_SPAWN, "spawn_remove: leave\n");
6266 }
6267
6268 struct spawn_prog*
6269 spawn_find(const char *name)
6270 {
6271         struct spawn_prog       *sp;
6272
6273         TAILQ_FOREACH(sp, &spawns, entry)
6274                 if (strcasecmp(sp->name, name) == 0)
6275                         return sp;
6276
6277         return NULL;
6278 }
6279
6280 void
6281 setspawn(const char *name, const char *args, int flags)
6282 {
6283         struct spawn_prog       *sp;
6284
6285         DNPRINTF(SWM_D_SPAWN, "setspawn: %s\n", name);
6286
6287         if (name == NULL)
6288                 return;
6289
6290         /* Remove any old spawn under the same name. */
6291         if ((sp = spawn_find(name)) != NULL)
6292                 spawn_remove(sp);
6293
6294         if (*args != '\0')
6295                 spawn_insert(name, args, flags);
6296         else
6297                 warnx("error: setspawn: cannot find program: %s", name);
6298
6299         DNPRINTF(SWM_D_SPAWN, "setspawn: leave\n");
6300 }
6301
6302 int
6303 setconfspawn(char *selector, char *value, int flags)
6304 {
6305         char            *args;
6306
6307         args = expand_tilde(value);
6308
6309         DNPRINTF(SWM_D_SPAWN, "setconfspawn: [%s] [%s]\n", selector, args);
6310
6311         setspawn(selector, args, flags);
6312         free(args);
6313
6314         DNPRINTF(SWM_D_SPAWN, "setconfspawn: done.\n");
6315         return (0);
6316 }
6317
6318 void
6319 validate_spawns(void)
6320 {
6321         struct spawn_prog       *sp;
6322         char                    which[PATH_MAX];
6323         size_t                  i;
6324
6325         struct key              *kp;
6326
6327         RB_FOREACH(kp, key_tree, &keys) {
6328                 if (kp->funcid != KF_SPAWN_CUSTOM)
6329                         continue;
6330
6331                 /* find program */
6332                 sp = spawn_find(kp->spawn_name);
6333                 if (sp == NULL || sp->flags & SWM_SPAWN_OPTIONAL)
6334                         continue;
6335
6336                 /* verify we have the goods */
6337                 snprintf(which, sizeof which, "which %s", sp->argv[0]);
6338                 DNPRINTF(SWM_D_CONF, "validate_spawns: which %s\n",
6339                     sp->argv[0]);
6340                 for (i = strlen("which "); i < strlen(which); i++)
6341                         if (which[i] == ' ') {
6342                                 which[i] = '\0';
6343                                 break;
6344                         }
6345                 if (system(which) != 0)
6346                         add_startup_exception("could not find %s",
6347                             &which[strlen("which ")]);
6348         }
6349 }
6350
6351 void
6352 setup_spawn(void)
6353 {
6354         setconfspawn("lock",            "xlock",                0);
6355
6356         setconfspawn("term",            "xterm",                0);
6357         setconfspawn("spawn_term",      "xterm",                0);
6358
6359         setconfspawn("menu",            "dmenu_run"
6360                                         " $dmenu_bottom"
6361                                         " -fn $bar_font"
6362                                         " -nb $bar_color"
6363                                         " -nf $bar_font_color"
6364                                         " -sb $bar_border"
6365                                         " -sf $bar_color",      0);
6366
6367         setconfspawn("search",          "dmenu"
6368                                         " $dmenu_bottom"
6369                                         " -i"
6370                                         " -fn $bar_font"
6371                                         " -nb $bar_color"
6372                                         " -nf $bar_font_color"
6373                                         " -sb $bar_border"
6374                                         " -sf $bar_color",      0);
6375
6376         setconfspawn("name_workspace",  "dmenu"
6377                                         " $dmenu_bottom"
6378                                         " -p Workspace"
6379                                         " -fn $bar_font"
6380                                         " -nb $bar_color"
6381                                         " -nf $bar_font_color"
6382                                         " -sb $bar_border"
6383                                         " -sf $bar_color",      0);
6384
6385          /* These are not verified for existence, even with a binding set. */
6386         setconfspawn("screenshot_all",  "screenshot.sh full",   SWM_SPAWN_OPTIONAL);
6387         setconfspawn("screenshot_wind", "screenshot.sh window", SWM_SPAWN_OPTIONAL);
6388         setconfspawn("initscr",         "initscreen.sh",        SWM_SPAWN_OPTIONAL);
6389 }
6390
6391 /* key bindings */
6392 #define SWM_MODNAME_SIZE        32
6393 #define SWM_KEY_WS              "\n+ \t"
6394 int
6395 parsekeys(char *keystr, unsigned int currmod, unsigned int *mod, KeySym *ks)
6396 {
6397         char                    *cp, *name;
6398         KeySym                  uks;
6399         DNPRINTF(SWM_D_KEY, "parsekeys: enter [%s]\n", keystr);
6400         if (mod == NULL || ks == NULL) {
6401                 DNPRINTF(SWM_D_KEY, "parsekeys: no mod or key vars\n");
6402                 return (1);
6403         }
6404         if (keystr == NULL || strlen(keystr) == 0) {
6405                 DNPRINTF(SWM_D_KEY, "parsekeys: no keystr\n");
6406                 return (1);
6407         }
6408         cp = keystr;
6409         *ks = XCB_NO_SYMBOL;
6410         *mod = 0;
6411         while ((name = strsep(&cp, SWM_KEY_WS)) != NULL) {
6412                 DNPRINTF(SWM_D_KEY, "parsekeys: key [%s]\n", name);
6413                 if (cp)
6414                         cp += (long)strspn(cp, SWM_KEY_WS);
6415                 if (strncasecmp(name, "MOD", SWM_MODNAME_SIZE) == 0)
6416                         *mod |= currmod;
6417                 else if (strncasecmp(name, "Mod1", SWM_MODNAME_SIZE) == 0)
6418                         *mod |= XCB_MOD_MASK_1;
6419                 else if (strncasecmp(name, "Mod2", SWM_MODNAME_SIZE) == 0)
6420                         *mod += XCB_MOD_MASK_2;
6421                 else if (strncmp(name, "Mod3", SWM_MODNAME_SIZE) == 0)
6422                         *mod |= XCB_MOD_MASK_3;
6423                 else if (strncmp(name, "Mod4", SWM_MODNAME_SIZE) == 0)
6424                         *mod |= XCB_MOD_MASK_4;
6425                 else if (strncasecmp(name, "SHIFT", SWM_MODNAME_SIZE) == 0)
6426                         *mod |= XCB_MOD_MASK_SHIFT;
6427                 else if (strncasecmp(name, "CONTROL", SWM_MODNAME_SIZE) == 0)
6428                         *mod |= XCB_MOD_MASK_CONTROL;
6429                 else {
6430                         *ks = XStringToKeysym(name);
6431                         XConvertCase(*ks, ks, &uks);
6432                         if (ks == XCB_NO_SYMBOL) {
6433                                 DNPRINTF(SWM_D_KEY,
6434                                     "parsekeys: invalid key %s\n",
6435                                     name);
6436                                 return (1);
6437                         }
6438                 }
6439         }
6440         DNPRINTF(SWM_D_KEY, "parsekeys: leave ok\n");
6441         return (0);
6442 }
6443
6444 char *
6445 strdupsafe(const char *str)
6446 {
6447         if (str == NULL)
6448                 return (NULL);
6449         else
6450                 return (strdup(str));
6451 }
6452
6453 void
6454 key_insert(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6455     const char *spawn_name)
6456 {
6457         struct key              *kp;
6458
6459         DNPRINTF(SWM_D_KEY, "key_insert: enter %s [%s]\n",
6460             keyfuncs[kfid].name, spawn_name);
6461
6462         if ((kp = malloc(sizeof *kp)) == NULL)
6463                 err(1, "key_insert: malloc");
6464
6465         kp->mod = mod;
6466         kp->keysym = ks;
6467         kp->funcid = kfid;
6468         kp->spawn_name = strdupsafe(spawn_name);
6469         RB_INSERT(key_tree, &keys, kp);
6470
6471         DNPRINTF(SWM_D_KEY, "key_insert: leave\n");
6472 }
6473
6474 struct key *
6475 key_lookup(unsigned int mod, KeySym ks)
6476 {
6477         struct key              kp;
6478
6479         kp.keysym = ks;
6480         kp.mod = mod;
6481
6482         return (RB_FIND(key_tree, &keys, &kp));
6483 }
6484
6485 void
6486 key_remove(struct key *kp)
6487 {
6488         DNPRINTF(SWM_D_KEY, "key_remove: %s\n", keyfuncs[kp->funcid].name);
6489
6490         RB_REMOVE(key_tree, &keys, kp);
6491         free(kp->spawn_name);
6492         free(kp);
6493
6494         DNPRINTF(SWM_D_KEY, "key_remove: leave\n");
6495 }
6496
6497 void
6498 key_replace(struct key *kp, unsigned int mod, KeySym ks, enum keyfuncid kfid,
6499     const char *spawn_name)
6500 {
6501         DNPRINTF(SWM_D_KEY, "key_replace: %s [%s]\n", keyfuncs[kp->funcid].name,
6502             spawn_name);
6503
6504         key_remove(kp);
6505         key_insert(mod, ks, kfid, spawn_name);
6506
6507         DNPRINTF(SWM_D_KEY, "key_replace: leave\n");
6508 }
6509
6510 void
6511 setkeybinding(unsigned int mod, KeySym ks, enum keyfuncid kfid,
6512     const char *spawn_name)
6513 {
6514         struct key              *kp;
6515
6516         DNPRINTF(SWM_D_KEY, "setkeybinding: enter %s [%s]\n",
6517             keyfuncs[kfid].name, spawn_name);
6518
6519         if ((kp = key_lookup(mod, ks)) != NULL) {
6520                 if (kfid == KF_INVALID)
6521                         key_remove(kp);
6522                 else
6523                         key_replace(kp, mod, ks, kfid, spawn_name);
6524                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6525                 return;
6526         }
6527         if (kfid == KF_INVALID) {
6528                 warnx("bind: Key combination already unbound.");
6529                 DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6530                 return;
6531         }
6532
6533         key_insert(mod, ks, kfid, spawn_name);
6534         DNPRINTF(SWM_D_KEY, "setkeybinding: leave\n");
6535 }
6536
6537 int
6538 setconfbinding(char *selector, char *value, int flags)
6539 {
6540         enum keyfuncid          kfid;
6541         unsigned int            mod;
6542         KeySym                  ks;
6543         struct spawn_prog       *sp;
6544
6545         /* suppress unused warning since var is needed */
6546         (void)flags;
6547
6548         DNPRINTF(SWM_D_KEY, "setconfbinding: enter\n");
6549         if (selector == NULL) {
6550                 DNPRINTF(SWM_D_KEY, "setconfbinding: unbind %s\n", value);
6551                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6552                         kfid = KF_INVALID;
6553                         setkeybinding(mod, ks, kfid, NULL);
6554                         return (0);
6555                 } else
6556                         return (1);
6557         }
6558         /* search by key function name */
6559         for (kfid = 0; kfid < KF_INVALID; (kfid)++) {
6560                 if (strncasecmp(selector, keyfuncs[kfid].name,
6561                     SWM_FUNCNAME_LEN) == 0) {
6562                         DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6563                             "keyfunc\n", selector);
6564                         if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6565                                 setkeybinding(mod, ks, kfid, NULL);
6566                                 return (0);
6567                         } else
6568                                 return (1);
6569                 }
6570         }
6571         /* search by custom spawn name */
6572         if ((sp = spawn_find(selector)) != NULL) {
6573                 DNPRINTF(SWM_D_KEY, "setconfbinding: %s: match "
6574                     "spawn\n", selector);
6575                 if (parsekeys(value, mod_key, &mod, &ks) == 0) {
6576                         setkeybinding(mod, ks, KF_SPAWN_CUSTOM,
6577                             sp->name);
6578                         return (0);
6579                 } else
6580                         return (1);
6581         }
6582         DNPRINTF(SWM_D_KEY, "setconfbinding: no match\n");
6583         return (1);
6584 }
6585
6586 void
6587 setup_keys(void)
6588 {
6589 #define MODKEY_SHIFT    MODKEY | XCB_MOD_MASK_SHIFT
6590         setkeybinding(MODKEY,           XK_b,           KF_BAR_TOGGLE,  NULL);
6591         setkeybinding(MODKEY_SHIFT,     XK_b,           KF_BAR_TOGGLE_WS,NULL);
6592         setkeybinding(MODKEY,           XK_v,           KF_BUTTON2,     NULL);
6593         setkeybinding(MODKEY,           XK_space,       KF_CYCLE_LAYOUT,NULL);
6594         setkeybinding(MODKEY_SHIFT,     XK_backslash,   KF_FLIP_LAYOUT, NULL);
6595         setkeybinding(MODKEY,           XK_t,           KF_FLOAT_TOGGLE,NULL);
6596         setkeybinding(MODKEY,           XK_m,           KF_FOCUS_MAIN,  NULL);
6597         setkeybinding(MODKEY,           XK_j,           KF_FOCUS_NEXT,  NULL);
6598         setkeybinding(MODKEY,           XK_Tab,         KF_FOCUS_NEXT,  NULL);
6599         setkeybinding(MODKEY,           XK_k,           KF_FOCUS_PREV,  NULL);
6600         setkeybinding(MODKEY_SHIFT,     XK_Tab,         KF_FOCUS_PREV,  NULL);
6601         setkeybinding(MODKEY,           XK_u,           KF_FOCUS_URGENT,NULL);
6602         setkeybinding(MODKEY_SHIFT,     XK_equal,       KF_HEIGHT_GROW,NULL);
6603         setkeybinding(MODKEY_SHIFT,     XK_minus,       KF_HEIGHT_SHRINK,NULL);
6604         setkeybinding(MODKEY,           XK_w,           KF_ICONIFY,     NULL);
6605         setkeybinding(MODKEY,           XK_h,           KF_MASTER_SHRINK, NULL);
6606         setkeybinding(MODKEY,           XK_l,           KF_MASTER_GROW, NULL);
6607         setkeybinding(MODKEY,           XK_comma,       KF_MASTER_ADD,  NULL);
6608         setkeybinding(MODKEY,           XK_period,      KF_MASTER_DEL,  NULL);
6609         setkeybinding(MODKEY_SHIFT,     XK_bracketright,KF_MOVE_DOWN,NULL);
6610         setkeybinding(MODKEY,           XK_bracketleft, KF_MOVE_LEFT,NULL);
6611         setkeybinding(MODKEY,           XK_bracketright,KF_MOVE_RIGHT,NULL);
6612         setkeybinding(MODKEY_SHIFT,     XK_bracketleft, KF_MOVE_UP,     NULL);
6613         setkeybinding(MODKEY_SHIFT,     XK_KP_End,      KF_MVRG_1,      NULL);
6614         setkeybinding(MODKEY_SHIFT,     XK_KP_Down,     KF_MVRG_2,      NULL);
6615         setkeybinding(MODKEY_SHIFT,     XK_KP_Next,     KF_MVRG_3,      NULL);
6616         setkeybinding(MODKEY_SHIFT,     XK_KP_Left,     KF_MVRG_4,      NULL);
6617         setkeybinding(MODKEY_SHIFT,     XK_KP_Begin,    KF_MVRG_5,      NULL);
6618         setkeybinding(MODKEY_SHIFT,     XK_KP_Right,    KF_MVRG_6,      NULL);
6619         setkeybinding(MODKEY_SHIFT,     XK_KP_Home,     KF_MVRG_7,      NULL);
6620         setkeybinding(MODKEY_SHIFT,     XK_KP_Up,       KF_MVRG_8,      NULL);
6621         setkeybinding(MODKEY_SHIFT,     XK_KP_Prior,    KF_MVRG_9,      NULL);
6622         setkeybinding(MODKEY_SHIFT,     XK_1,           KF_MVWS_1,      NULL);
6623         setkeybinding(MODKEY_SHIFT,     XK_2,           KF_MVWS_2,      NULL);
6624         setkeybinding(MODKEY_SHIFT,     XK_3,           KF_MVWS_3,      NULL);
6625         setkeybinding(MODKEY_SHIFT,     XK_4,           KF_MVWS_4,      NULL);
6626         setkeybinding(MODKEY_SHIFT,     XK_5,           KF_MVWS_5,      NULL);
6627         setkeybinding(MODKEY_SHIFT,     XK_6,           KF_MVWS_6,      NULL);
6628         setkeybinding(MODKEY_SHIFT,     XK_7,           KF_MVWS_7,      NULL);
6629         setkeybinding(MODKEY_SHIFT,     XK_8,           KF_MVWS_8,      NULL);
6630         setkeybinding(MODKEY_SHIFT,     XK_9,           KF_MVWS_9,      NULL);
6631         setkeybinding(MODKEY_SHIFT,     XK_0,           KF_MVWS_10,     NULL);
6632         setkeybinding(MODKEY_SHIFT,     XK_F1,          KF_MVWS_11,     NULL);
6633         setkeybinding(MODKEY_SHIFT,     XK_F2,          KF_MVWS_12,     NULL);
6634         setkeybinding(MODKEY_SHIFT,     XK_F3,          KF_MVWS_13,     NULL);
6635         setkeybinding(MODKEY_SHIFT,     XK_F4,          KF_MVWS_14,     NULL);
6636         setkeybinding(MODKEY_SHIFT,     XK_F5,          KF_MVWS_15,     NULL);
6637         setkeybinding(MODKEY_SHIFT,     XK_F6,          KF_MVWS_16,     NULL);
6638         setkeybinding(MODKEY_SHIFT,     XK_F7,          KF_MVWS_17,     NULL);
6639         setkeybinding(MODKEY_SHIFT,     XK_F8,          KF_MVWS_18,     NULL);
6640         setkeybinding(MODKEY_SHIFT,     XK_F9,          KF_MVWS_19,     NULL);
6641         setkeybinding(MODKEY_SHIFT,     XK_F10,         KF_MVWS_20,     NULL);
6642         setkeybinding(MODKEY_SHIFT,     XK_F11,         KF_MVWS_21,     NULL);
6643         setkeybinding(MODKEY_SHIFT,     XK_F12,         KF_MVWS_22,     NULL);
6644         setkeybinding(MODKEY_SHIFT,     XK_slash,       KF_NAME_WORKSPACE,NULL);
6645         setkeybinding(MODKEY_SHIFT,     XK_q,           KF_QUIT,        NULL);
6646         setkeybinding(MODKEY_SHIFT,     XK_r,           KF_RAISE_TOGGLE,NULL);
6647         setkeybinding(MODKEY,           XK_q,           KF_RESTART,     NULL);
6648         setkeybinding(MODKEY,           XK_KP_End,      KF_RG_1,        NULL);
6649         setkeybinding(MODKEY,           XK_KP_Down,     KF_RG_2,        NULL);
6650         setkeybinding(MODKEY,           XK_KP_Next,     KF_RG_3,        NULL);
6651         setkeybinding(MODKEY,           XK_KP_Left,     KF_RG_4,        NULL);
6652         setkeybinding(MODKEY,           XK_KP_Begin,    KF_RG_5,        NULL);
6653         setkeybinding(MODKEY,           XK_KP_Right,    KF_RG_6,        NULL);
6654         setkeybinding(MODKEY,           XK_KP_Home,     KF_RG_7,        NULL);
6655         setkeybinding(MODKEY,           XK_KP_Up,       KF_RG_8,        NULL);
6656         setkeybinding(MODKEY,           XK_KP_Prior,    KF_RG_9,        NULL);
6657         setkeybinding(MODKEY_SHIFT,     XK_Right,       KF_RG_NEXT,     NULL);
6658         setkeybinding(MODKEY_SHIFT,     XK_Left,        KF_RG_PREV,     NULL);
6659         setkeybinding(MODKEY,           XK_f,           KF_SEARCH_WIN,  NULL);
6660         setkeybinding(MODKEY,           XK_slash,       KF_SEARCH_WORKSPACE,NULL);
6661         setkeybinding(MODKEY_SHIFT,     XK_i,           KF_SPAWN_CUSTOM,"initscr");
6662         setkeybinding(MODKEY_SHIFT,     XK_Delete,      KF_SPAWN_CUSTOM,"lock");
6663         setkeybinding(MODKEY,           XK_p,           KF_SPAWN_CUSTOM,"menu");
6664         setkeybinding(MODKEY,           XK_s,           KF_SPAWN_CUSTOM,"screenshot_all");
6665         setkeybinding(MODKEY_SHIFT,     XK_s,           KF_SPAWN_CUSTOM,"screenshot_wind");
6666         setkeybinding(MODKEY_SHIFT,     XK_Return,      KF_SPAWN_CUSTOM,"term");
6667         setkeybinding(MODKEY_SHIFT,     XK_comma,       KF_STACK_INC,   NULL);
6668         setkeybinding(MODKEY_SHIFT,     XK_period,      KF_STACK_DEC,   NULL);
6669         setkeybinding(MODKEY_SHIFT,     XK_space,       KF_STACK_RESET, NULL);
6670         setkeybinding(MODKEY,           XK_Return,      KF_SWAP_MAIN,   NULL);
6671         setkeybinding(MODKEY_SHIFT,     XK_j,           KF_SWAP_NEXT,   NULL);
6672         setkeybinding(MODKEY_SHIFT,     XK_k,           KF_SWAP_PREV,   NULL);
6673         setkeybinding(MODKEY_SHIFT,     XK_w,           KF_UNICONIFY,   NULL);
6674         setkeybinding(MODKEY_SHIFT,     XK_v,           KF_VERSION,     NULL);
6675         setkeybinding(MODKEY,           XK_equal,       KF_WIDTH_GROW,  NULL);
6676         setkeybinding(MODKEY,           XK_minus,       KF_WIDTH_SHRINK,NULL);
6677         setkeybinding(MODKEY,           XK_x,           KF_WIND_DEL,    NULL);
6678         setkeybinding(MODKEY_SHIFT,     XK_x,           KF_WIND_KILL,   NULL);
6679         setkeybinding(MODKEY,           XK_1,           KF_WS_1,        NULL);
6680         setkeybinding(MODKEY,           XK_2,           KF_WS_2,        NULL);
6681         setkeybinding(MODKEY,           XK_3,           KF_WS_3,        NULL);
6682         setkeybinding(MODKEY,           XK_4,           KF_WS_4,        NULL);
6683         setkeybinding(MODKEY,           XK_5,           KF_WS_5,        NULL);
6684         setkeybinding(MODKEY,           XK_6,           KF_WS_6,        NULL);
6685         setkeybinding(MODKEY,           XK_7,           KF_WS_7,        NULL);
6686         setkeybinding(MODKEY,           XK_8,           KF_WS_8,        NULL);
6687         setkeybinding(MODKEY,           XK_9,           KF_WS_9,        NULL);
6688         setkeybinding(MODKEY,           XK_0,           KF_WS_10,       NULL);
6689         setkeybinding(MODKEY,           XK_F1,          KF_WS_11,       NULL);
6690         setkeybinding(MODKEY,           XK_F2,          KF_WS_12,       NULL);
6691         setkeybinding(MODKEY,           XK_F3,          KF_WS_13,       NULL);
6692         setkeybinding(MODKEY,           XK_F4,          KF_WS_14,       NULL);
6693         setkeybinding(MODKEY,           XK_F5,          KF_WS_15,       NULL);
6694         setkeybinding(MODKEY,           XK_F6,          KF_WS_16,       NULL);
6695         setkeybinding(MODKEY,           XK_F7,          KF_WS_17,       NULL);
6696         setkeybinding(MODKEY,           XK_F8,          KF_WS_18,       NULL);
6697         setkeybinding(MODKEY,           XK_F9,          KF_WS_19,       NULL);
6698         setkeybinding(MODKEY,           XK_F10,         KF_WS_20,       NULL);
6699         setkeybinding(MODKEY,           XK_F11,         KF_WS_21,       NULL);
6700         setkeybinding(MODKEY,           XK_F12,         KF_WS_22,       NULL);
6701         setkeybinding(MODKEY,           XK_Right,       KF_WS_NEXT,     NULL);
6702         setkeybinding(MODKEY,           XK_Left,        KF_WS_PREV,     NULL);
6703         setkeybinding(MODKEY,           XK_Up,          KF_WS_NEXT_ALL, NULL);
6704         setkeybinding(MODKEY,           XK_Down,        KF_WS_PREV_ALL, NULL);
6705         setkeybinding(MODKEY_SHIFT,     XK_Up,          KF_WS_NEXT_MOVE,NULL);
6706         setkeybinding(MODKEY_SHIFT,     XK_Down,        KF_WS_PREV_MOVE,NULL);
6707         setkeybinding(MODKEY,           XK_a,           KF_WS_PRIOR,    NULL);
6708 #ifdef SWM_DEBUG
6709         setkeybinding(MODKEY_SHIFT,     XK_d,           KF_DUMPWINS,    NULL);
6710 #endif
6711 #undef MODKEY_SHIFT
6712 }
6713
6714 void
6715 clear_keys(void)
6716 {
6717         struct key              *kp;
6718
6719         while (RB_EMPTY(&keys) == 0) {
6720                 kp = RB_ROOT(&keys);
6721                 key_remove(kp);
6722         }
6723 }
6724
6725 int
6726 setkeymapping(char *selector, char *value, int flags)
6727 {
6728         char                    *keymapping_file;
6729
6730         /* suppress unused warnings since vars are needed */
6731         (void)selector;
6732         (void)flags;
6733
6734         DNPRINTF(SWM_D_KEY, "setkeymapping: enter\n");
6735
6736         keymapping_file = expand_tilde(value);
6737
6738         clear_keys();
6739         /* load new key bindings; if it fails, revert to default bindings */
6740         if (conf_load(keymapping_file, SWM_CONF_KEYMAPPING)) {
6741                 clear_keys();
6742                 setup_keys();
6743         }
6744
6745         free(keymapping_file);
6746
6747         DNPRINTF(SWM_D_KEY, "setkeymapping: leave\n");
6748         return (0);
6749 }
6750
6751 void
6752 updatenumlockmask(void)
6753 {
6754         unsigned int                            i, j;
6755         xcb_get_modifier_mapping_reply_t        *modmap_r;
6756         xcb_keycode_t                           *modmap, kc, *keycode;
6757
6758         numlockmask = 0;
6759
6760         modmap_r = xcb_get_modifier_mapping_reply(conn,
6761             xcb_get_modifier_mapping(conn),
6762             NULL);
6763         if (modmap_r) {
6764                 modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
6765                 for (i = 0; i < 8; i++) {
6766                         for (j = 0; j < modmap_r->keycodes_per_modifier; j++) {
6767                                 kc = modmap[i * modmap_r->keycodes_per_modifier
6768                                     + j];
6769                                 keycode = xcb_key_symbols_get_keycode(syms,
6770                                                 XK_Num_Lock);
6771                                 if (kc == *keycode)
6772                                         numlockmask = (1 << i);
6773                                 free(keycode);
6774                         }
6775                 }
6776                 free(modmap_r);
6777         }
6778         DNPRINTF(SWM_D_MISC, "updatenumlockmask: %d\n", numlockmask);
6779 }
6780
6781 void
6782 grabkeys(void)
6783 {
6784         struct key              *kp;
6785         int                     num_screens, k, j;
6786         unsigned int            modifiers[4];
6787         xcb_keycode_t           *code;
6788
6789         DNPRINTF(SWM_D_MISC, "grabkeys\n");
6790         updatenumlockmask();
6791
6792         modifiers[0] = 0;
6793         modifiers[1] = numlockmask;
6794         modifiers[2] = XCB_MOD_MASK_LOCK;
6795         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6796
6797         num_screens = get_screen_count();
6798         for (k = 0; k < num_screens; k++) {
6799                 if (TAILQ_EMPTY(&screens[k].rl))
6800                         continue;
6801                 xcb_ungrab_key(conn, XCB_GRAB_ANY, screens[k].root,
6802                         XCB_MOD_MASK_ANY);
6803                 RB_FOREACH(kp, key_tree, &keys) {
6804                         /* Skip unused ws binds. */
6805                         if ((int)kp->funcid > KF_WS_1 + workspace_limit - 1 &&
6806                             kp->funcid <= KF_WS_22)
6807                                 continue;
6808
6809                         /* Skip unused mvws binds. */
6810                         if ((int)kp->funcid > KF_MVWS_1 + workspace_limit - 1 &&
6811                             kp->funcid <= KF_MVWS_22)
6812                                 continue;
6813
6814                         if ((code = xcb_key_symbols_get_keycode(syms,
6815                                         kp->keysym))) {
6816                                 for (j = 0; j < LENGTH(modifiers); j++)
6817                                         xcb_grab_key(conn, 1,
6818                                             screens[k].root,
6819                                             kp->mod | modifiers[j],
6820                                             *code, XCB_GRAB_MODE_SYNC,
6821                                             XCB_GRAB_MODE_SYNC);
6822                                 free(code);
6823                         }
6824                 }
6825         }
6826 }
6827
6828 void
6829 grabbuttons(struct ws_win *win)
6830 {
6831         unsigned int    modifiers[4];
6832         int             i, j;
6833
6834         DNPRINTF(SWM_D_MOUSE, "grabbuttons: win 0x%x\n", win->id);
6835         updatenumlockmask();
6836
6837         modifiers[0] = 0;
6838         modifiers[1] = numlockmask;
6839         modifiers[2] = XCB_MOD_MASK_LOCK;
6840         modifiers[3] = numlockmask | XCB_MOD_MASK_LOCK;
6841
6842         for (i = 0; i < LENGTH(buttons); i++)
6843                 if (buttons[i].action == client_click)
6844                         for (j = 0; j < LENGTH(modifiers); ++j)
6845                                 xcb_grab_button(conn, 0, win->id, BUTTONMASK,
6846                                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC,
6847                                     XCB_WINDOW_NONE, XCB_CURSOR_NONE,
6848                                     buttons[i].button, buttons[i].mask |
6849                                     modifiers[j]);
6850 }
6851
6852 const char *quirkname[] = {
6853         "NONE",         /* config string for "no value" */
6854         "FLOAT",
6855         "TRANSSZ",
6856         "ANYWHERE",
6857         "XTERM_FONTADJ",
6858         "FULLSCREEN",
6859         "FOCUSPREV",
6860         "NOFOCUSONMAP",
6861         "FOCUSONMAP_SINGLE",
6862 };
6863
6864 /* SWM_Q_WS: retain '|' for back compat for now (2009-08-11) */
6865 #define SWM_Q_WS                "\n|+ \t"
6866 int
6867 parsequirks(char *qstr, unsigned long *quirk)
6868 {
6869         char                    *cp, *name;
6870         int                     i;
6871
6872         if (quirk == NULL)
6873                 return (1);
6874
6875         cp = qstr;
6876         *quirk = 0;
6877         while ((name = strsep(&cp, SWM_Q_WS)) != NULL) {
6878                 if (cp)
6879                         cp += (long)strspn(cp, SWM_Q_WS);
6880                 for (i = 0; i < LENGTH(quirkname); i++) {
6881                         if (strncasecmp(name, quirkname[i],
6882                             SWM_QUIRK_LEN) == 0) {
6883                                 DNPRINTF(SWM_D_QUIRK,
6884                                     "parsequirks: %s\n", name);
6885                                 if (i == 0) {
6886                                         *quirk = 0;
6887                                         return (0);
6888                                 }
6889                                 *quirk |= 1 << (i-1);
6890                                 break;
6891                         }
6892                 }
6893                 if (i >= LENGTH(quirkname)) {
6894                         DNPRINTF(SWM_D_QUIRK,
6895                             "parsequirks: invalid quirk [%s]\n", name);
6896                         return (1);
6897                 }
6898         }
6899         return (0);
6900 }
6901
6902 void
6903 quirk_insert(const char *class, const char *name, unsigned long quirk)
6904 {
6905         struct quirk            *qp;
6906
6907         DNPRINTF(SWM_D_QUIRK, "quirk_insert: %s:%s [%lu]\n", class, name,
6908             quirk);
6909
6910         if ((qp = malloc(sizeof *qp)) == NULL)
6911                 err(1, "quirk_insert: malloc");
6912         if ((qp->class = strdup(class)) == NULL)
6913                 err(1, "quirk_insert: strdup");
6914         if ((qp->name = strdup(name)) == NULL)
6915                 err(1, "quirk_insert: strdup");
6916
6917         qp->quirk = quirk;
6918         TAILQ_INSERT_TAIL(&quirks, qp, entry);
6919
6920         DNPRINTF(SWM_D_QUIRK, "quirk_insert: leave\n");
6921 }
6922
6923 void
6924 quirk_remove(struct quirk *qp)
6925 {
6926         DNPRINTF(SWM_D_QUIRK, "quirk_remove: %s:%s [%lu]\n", qp->class,
6927             qp->name, qp->quirk);
6928
6929         TAILQ_REMOVE(&quirks, qp, entry);
6930         free(qp->class);
6931         free(qp->name);
6932         free(qp);
6933
6934         DNPRINTF(SWM_D_QUIRK, "quirk_remove: leave\n");
6935 }
6936
6937 void
6938 quirk_replace(struct quirk *qp, const char *class, const char *name,
6939     unsigned long quirk)
6940 {
6941         DNPRINTF(SWM_D_QUIRK, "quirk_replace: %s:%s [%lu]\n", qp->class,
6942             qp->name, qp->quirk);
6943
6944         quirk_remove(qp);
6945         quirk_insert(class, name, quirk);
6946
6947         DNPRINTF(SWM_D_QUIRK, "quirk_replace: leave\n");
6948 }
6949
6950 void
6951 setquirk(const char *class, const char *name, unsigned long quirk)
6952 {
6953         struct quirk            *qp;
6954
6955         DNPRINTF(SWM_D_QUIRK, "setquirk: enter %s:%s [%lu]\n", class, name,
6956            quirk);
6957
6958         /* Remove/replace existing quirk. */
6959         TAILQ_FOREACH(qp, &quirks, entry) {
6960                 if (strcmp(qp->class, class) == 0 &&
6961                     strcmp(qp->name, name) == 0) {
6962                         if (quirk == 0)
6963                                 quirk_remove(qp);
6964                         else
6965                                 quirk_replace(qp, class, name, quirk);
6966                         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6967                         return;
6968                 }
6969         }
6970
6971         /* Only insert if quirk is not NONE. */
6972         if (quirk)
6973                 quirk_insert(class, name, quirk);
6974
6975         DNPRINTF(SWM_D_QUIRK, "setquirk: leave\n");
6976 }
6977
6978 int
6979 setconfquirk(char *selector, char *value, int flags)
6980 {
6981         char                    *cp, *class, *name;
6982         int                     retval;
6983         unsigned long           qrks;
6984
6985         /* suppress unused warning since var is needed */
6986         (void)flags;
6987
6988         if (selector == NULL)
6989                 return (0);
6990         if ((cp = strchr(selector, ':')) == NULL)
6991                 return (0);
6992         *cp = '\0';
6993         class = selector;
6994         name = cp + 1;
6995         if ((retval = parsequirks(value, &qrks)) == 0)
6996                 setquirk(class, name, qrks);
6997         return (retval);
6998 }
6999
7000 void
7001 setup_quirks(void)
7002 {
7003         setquirk("MPlayer",             "xv",           SWM_Q_FLOAT | SWM_Q_FULLSCREEN | SWM_Q_FOCUSPREV);
7004         setquirk("OpenOffice.org 3.2",  "VCLSalFrame",  SWM_Q_FLOAT);
7005         setquirk("Firefox-bin",         "firefox-bin",  SWM_Q_TRANSSZ);
7006         setquirk("Firefox",             "Dialog",       SWM_Q_FLOAT);
7007         setquirk("Gimp",                "gimp",         SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7008         setquirk("XTerm",               "xterm",        SWM_Q_XTERM_FONTADJ);
7009         setquirk("xine",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7010         setquirk("Xitk",                "Xitk Combo",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7011         setquirk("xine",                "xine Panel",   SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7012         setquirk("Xitk",                "Xine Window",  SWM_Q_FLOAT | SWM_Q_ANYWHERE);
7013         setquirk("xine",                "xine Video Fullscreen Window", SWM_Q_FULLSCREEN | SWM_Q_FLOAT);
7014         setquirk("pcb",                 "pcb",          SWM_Q_FLOAT);
7015         setquirk("SDL_App",             "SDL_App",      SWM_Q_FLOAT | SWM_Q_FULLSCREEN);
7016 }
7017
7018 /* conf file stuff */
7019 #define SWM_CONF_FILE           "spectrwm.conf"
7020 #define SWM_CONF_FILE_OLD       "scrotwm.conf"
7021
7022 enum {
7023         SWM_S_BAR_ACTION,
7024         SWM_S_BAR_AT_BOTTOM,
7025         SWM_S_BAR_BORDER_WIDTH,
7026         SWM_S_BAR_DELAY,
7027         SWM_S_BAR_ENABLED,
7028         SWM_S_BAR_ENABLED_WS,
7029         SWM_S_BAR_FONT,
7030         SWM_S_BAR_FORMAT,
7031         SWM_S_BAR_JUSTIFY,
7032         SWM_S_BORDER_WIDTH,
7033         SWM_S_BOUNDARY_WIDTH,
7034         SWM_S_CLOCK_ENABLED,
7035         SWM_S_CLOCK_FORMAT,
7036         SWM_S_CYCLE_EMPTY,
7037         SWM_S_CYCLE_VISIBLE,
7038         SWM_S_DIALOG_RATIO,
7039         SWM_S_DISABLE_BORDER,
7040         SWM_S_FOCUS_CLOSE,
7041         SWM_S_FOCUS_CLOSE_WRAP,
7042         SWM_S_FOCUS_DEFAULT,
7043         SWM_S_FOCUS_MODE,
7044         SWM_S_REGION_PADDING,
7045         SWM_S_SPAWN_ORDER,
7046         SWM_S_SPAWN_TERM,
7047         SWM_S_SS_APP,
7048         SWM_S_SS_ENABLED,
7049         SWM_S_STACK_ENABLED,
7050         SWM_S_TERM_WIDTH,
7051         SWM_S_TILE_GAP,
7052         SWM_S_TITLE_CLASS_ENABLED,
7053         SWM_S_TITLE_NAME_ENABLED,
7054         SWM_S_URGENT_ENABLED,
7055         SWM_S_VERBOSE_LAYOUT,
7056         SWM_S_WINDOW_NAME_ENABLED,
7057         SWM_S_WORKSPACE_LIMIT
7058 };
7059
7060 int
7061 setconfvalue(char *selector, char *value, int flags)
7062 {
7063         struct workspace        *ws;
7064         int                     i, ws_id, num_screens;
7065         char                    *b;
7066
7067         /* suppress unused warning since var is needed */
7068         (void)selector;
7069
7070         switch (flags) {
7071         case SWM_S_BAR_ACTION:
7072                 free(bar_argv[0]);
7073                 if ((bar_argv[0] = expand_tilde(value)) == NULL)
7074                         err(1, "setconfvalue: bar_action");
7075                 break;
7076         case SWM_S_BAR_AT_BOTTOM:
7077                 bar_at_bottom = atoi(value);
7078                 break;
7079         case SWM_S_BAR_BORDER_WIDTH:
7080                 bar_border_width = atoi(value);
7081                 if (bar_border_width < 0)
7082                         bar_border_width = 0;
7083                 break;
7084         case SWM_S_BAR_DELAY:
7085                 /* No longer needed; leave to not break old conf files. */
7086                 break;
7087         case SWM_S_BAR_ENABLED:
7088                 bar_enabled = atoi(value);
7089                 break;
7090         case SWM_S_BAR_ENABLED_WS:
7091                 ws_id = atoi(selector) - 1;
7092                 if (ws_id < 0 || ws_id >= workspace_limit)
7093                         errx(1, "setconfvalue: bar_enabled_ws: invalid "
7094                             "workspace %d.", ws_id + 1);
7095
7096                 num_screens = get_screen_count();
7097                 for (i = 0; i < num_screens; i++) {
7098                         ws = (struct workspace *)&screens[i].ws;
7099                         ws[ws_id].bar_enabled = atoi(value);
7100                 }
7101                 break;
7102         case SWM_S_BAR_FONT:
7103                 b = bar_fonts;
7104                 if (asprintf(&bar_fonts, "%s,%s", value, bar_fonts) == -1)
7105                         err(1, "setconfvalue: asprintf: failed to allocate "
7106                                 "memory for bar_fonts.");
7107                 free(b);
7108
7109                 /* If already in xft mode, then we are done. */
7110                 if (!bar_font_legacy)
7111                         break;
7112
7113                 /* If there are any non-XLFD entries, switch to Xft mode. */
7114                 while ((b = strsep(&value, ",")) != NULL) {
7115                         if (*b == '\0')
7116                                 continue;
7117                         if (!isxlfd(b)) {
7118                                 bar_font_legacy = 0;
7119                                 break;
7120                         }
7121                 }
7122                 break;
7123         case SWM_S_BAR_FORMAT:
7124                 free(bar_format);
7125                 if ((bar_format = strdup(value)) == NULL)
7126                         err(1, "setconfvalue: bar_format");
7127                 break;
7128         case SWM_S_BAR_JUSTIFY:
7129                 if (strcmp(value, "left") == 0)
7130                         bar_justify = SWM_BAR_JUSTIFY_LEFT;
7131                 else if (strcmp(value, "center") == 0)
7132                         bar_justify = SWM_BAR_JUSTIFY_CENTER;
7133                 else if (strcmp(value, "right") == 0)
7134                         bar_justify = SWM_BAR_JUSTIFY_RIGHT;
7135                 else
7136                         errx(1, "invalid bar_justify");
7137                 break;
7138         case SWM_S_BORDER_WIDTH:
7139                 border_width = atoi(value);
7140                 if (border_width < 0)
7141                         border_width = 0;
7142                 break;
7143         case SWM_S_BOUNDARY_WIDTH:
7144                 boundary_width = atoi(value);
7145                 if (boundary_width < 0)
7146                         boundary_width = 0;
7147                 break;
7148         case SWM_S_CLOCK_ENABLED:
7149                 clock_enabled = atoi(value);
7150                 break;
7151         case SWM_S_CLOCK_FORMAT:
7152 #ifndef SWM_DENY_CLOCK_FORMAT
7153                 free(clock_format);
7154                 if ((clock_format = strdup(value)) == NULL)
7155                         err(1, "setconfvalue: clock_format");
7156 #endif
7157                 break;
7158         case SWM_S_CYCLE_EMPTY:
7159                 cycle_empty = atoi(value);
7160                 break;
7161         case SWM_S_CYCLE_VISIBLE:
7162                 cycle_visible = atoi(value);
7163                 break;
7164         case SWM_S_DIALOG_RATIO:
7165                 dialog_ratio = atof(value);
7166                 if (dialog_ratio > 1.0 || dialog_ratio <= .3)
7167                         dialog_ratio = .6;
7168                 break;
7169         case SWM_S_DISABLE_BORDER:
7170                 disable_border = atoi(value);
7171                 break;
7172         case SWM_S_FOCUS_CLOSE:
7173                 if (strcmp(value, "first") == 0)
7174                         focus_close = SWM_STACK_BOTTOM;
7175                 else if (strcmp(value, "last") == 0)
7176                         focus_close = SWM_STACK_TOP;
7177                 else if (strcmp(value, "next") == 0)
7178                         focus_close = SWM_STACK_ABOVE;
7179                 else if (strcmp(value, "previous") == 0)
7180                         focus_close = SWM_STACK_BELOW;
7181                 else
7182                         errx(1, "focus_close");
7183                 break;
7184         case SWM_S_FOCUS_CLOSE_WRAP:
7185                 focus_close_wrap = atoi(value);
7186                 break;
7187         case SWM_S_FOCUS_DEFAULT:
7188                 if (strcmp(value, "last") == 0)
7189                         focus_default = SWM_STACK_TOP;
7190                 else if (strcmp(value, "first") == 0)
7191                         focus_default = SWM_STACK_BOTTOM;
7192                 else
7193                         errx(1, "focus_default");
7194                 break;
7195         case SWM_S_FOCUS_MODE:
7196                 if (strcmp(value, "default") == 0)
7197                         focus_mode = SWM_FOCUS_DEFAULT;
7198                 else if (strcmp(value, "follow") == 0 ||
7199                     strcmp(value, "follow_cursor") == 0)
7200                         focus_mode = SWM_FOCUS_FOLLOW;
7201                 else if (strcmp(value, "manual") == 0)
7202                         focus_mode = SWM_FOCUS_MANUAL;
7203                 else
7204                         errx(1, "focus_mode");
7205                 break;
7206         case SWM_S_REGION_PADDING:
7207                 region_padding = atoi(value);
7208                 if (region_padding < 0)
7209                         region_padding = 0;
7210                 break;
7211         case SWM_S_SPAWN_ORDER:
7212                 if (strcmp(value, "first") == 0)
7213                         spawn_position = SWM_STACK_BOTTOM;
7214                 else if (strcmp(value, "last") == 0)
7215                         spawn_position = SWM_STACK_TOP;
7216                 else if (strcmp(value, "next") == 0)
7217                         spawn_position = SWM_STACK_ABOVE;
7218                 else if (strcmp(value, "previous") == 0)
7219                         spawn_position = SWM_STACK_BELOW;
7220                 else
7221                         errx(1, "spawn_position");
7222                 break;
7223         case SWM_S_SPAWN_TERM:
7224                 setconfspawn("term", value, 0);
7225                 setconfspawn("spawn_term", value, 0);
7226                 break;
7227         case SWM_S_SS_APP:
7228                 /* No longer needed; leave to not break old conf files. */
7229                 break;
7230         case SWM_S_SS_ENABLED:
7231                 /* No longer needed; leave to not break old conf files. */
7232                 break;
7233         case SWM_S_STACK_ENABLED:
7234                 stack_enabled = atoi(value);
7235                 break;
7236         case SWM_S_TERM_WIDTH:
7237                 term_width = atoi(value);
7238                 if (term_width < 0)
7239                         term_width = 0;
7240                 break;
7241         case SWM_S_TILE_GAP:
7242                 tile_gap = atoi(value);
7243                 break;
7244         case SWM_S_TITLE_CLASS_ENABLED:
7245                 title_class_enabled = atoi(value);
7246                 break;
7247         case SWM_S_TITLE_NAME_ENABLED:
7248                 title_name_enabled = atoi(value);
7249                 break;
7250         case SWM_S_URGENT_ENABLED:
7251                 urgent_enabled = atoi(value);
7252                 break;
7253         case SWM_S_VERBOSE_LAYOUT:
7254                 verbose_layout = atoi(value);
7255                 for (i = 0; layouts[i].l_stack != NULL; i++) {
7256                         if (verbose_layout)
7257                                 layouts[i].l_string = fancy_stacker;
7258                         else
7259                                 layouts[i].l_string = plain_stacker;
7260                 }
7261                 break;
7262         case SWM_S_WINDOW_NAME_ENABLED:
7263                 window_name_enabled = atoi(value);
7264                 break;
7265         case SWM_S_WORKSPACE_LIMIT:
7266                 workspace_limit = atoi(value);
7267                 if (workspace_limit > SWM_WS_MAX)
7268                         workspace_limit = SWM_WS_MAX;
7269                 else if (workspace_limit < 1)
7270                         workspace_limit = 1;
7271                 break;
7272         default:
7273                 return (1);
7274         }
7275         return (0);
7276 }
7277
7278 int
7279 setconfmodkey(char *selector, char *value, int flags)
7280 {
7281         /* suppress unused warnings since vars are needed */
7282         (void)selector;
7283         (void)flags;
7284
7285         if (strncasecmp(value, "Mod1", strlen("Mod1")) == 0)
7286                 update_modkey(XCB_MOD_MASK_1);
7287         else if (strncasecmp(value, "Mod2", strlen("Mod2")) == 0)
7288                 update_modkey(XCB_MOD_MASK_2);
7289         else if (strncasecmp(value, "Mod3", strlen("Mod3")) == 0)
7290                 update_modkey(XCB_MOD_MASK_3);
7291         else if (strncasecmp(value, "Mod4", strlen("Mod4")) == 0)
7292                 update_modkey(XCB_MOD_MASK_4);
7293         else
7294                 return (1);
7295         return (0);
7296 }
7297
7298 int
7299 setconfcolor(char *selector, char *value, int flags)
7300 {
7301         setscreencolor(value, ((selector == NULL)?-1:atoi(selector)), flags);
7302         return (0);
7303 }
7304
7305 int
7306 setconfregion(char *selector, char *value, int flags)
7307 {
7308         /* suppress unused warnings since vars are needed */
7309         (void)selector;
7310         (void)flags;
7311
7312         custom_region(value);
7313         return (0);
7314 }
7315
7316 int
7317 setautorun(char *selector, char *value, int flags)
7318 {
7319         int                     ws_id;
7320         char                    s[1024];
7321         char                    *ap, *sp;
7322         union arg               a;
7323         int                     argc = 0;
7324         pid_t                   pid;
7325         struct pid_e            *p;
7326
7327         /* suppress unused warnings since vars are needed */
7328         (void)selector;
7329         (void)flags;
7330
7331         if (getenv("SWM_STARTED"))
7332                 return (0);
7333
7334         bzero(s, sizeof s);
7335         if (sscanf(value, "ws[%d]:%1023c", &ws_id, s) != 2)
7336                 errx(1, "invalid autorun entry, should be 'ws[<idx>]:command'");
7337         ws_id--;
7338         if (ws_id < 0 || ws_id >= workspace_limit)
7339                 errx(1, "autorun: invalid workspace %d", ws_id + 1);
7340
7341         sp = expand_tilde((char *)&s);
7342
7343         /*
7344          * This is a little intricate
7345          *
7346          * If the pid already exists we simply reuse it because it means it was
7347          * used before AND not claimed by manage_window.  We get away with
7348          * altering it in the parent after INSERT because this can not be a race
7349          */
7350         a.argv = NULL;
7351         while ((ap = strsep(&sp, " \t")) != NULL) {
7352                 if (*ap == '\0')
7353                         continue;
7354                 DNPRINTF(SWM_D_SPAWN, "setautorun: arg [%s]\n", ap);
7355                 argc++;
7356                 if ((a.argv = realloc(a.argv, argc * sizeof(char *))) == NULL)
7357                         err(1, "setautorun: realloc");
7358                 a.argv[argc - 1] = ap;
7359         }
7360         free(sp);
7361
7362         if ((a.argv = realloc(a.argv, (argc + 1) * sizeof(char *))) == NULL)
7363                 err(1, "setautorun: realloc");
7364         a.argv[argc] = NULL;
7365
7366         if ((pid = fork()) == 0) {
7367                 spawn(ws_id, &a, 1);
7368                 /* NOTREACHED */
7369                 _exit(1);
7370         }
7371         free(a.argv);
7372
7373         /* parent */
7374         p = find_pid(pid);
7375         if (p == NULL) {
7376                 p = calloc(1, sizeof *p);
7377                 if (p == NULL)
7378                         return (1);
7379                 TAILQ_INSERT_TAIL(&pidlist, p, entry);
7380         }
7381
7382         p->pid = pid;
7383         p->ws = ws_id;
7384
7385         return (0);
7386 }
7387
7388 int
7389 setlayout(char *selector, char *value, int flags)
7390 {
7391         int                     ws_id, i, x, mg, ma, si, ar, f = 0;
7392         int                     st = SWM_V_STACK, num_screens;
7393         char                    s[1024];
7394         struct workspace        *ws;
7395
7396         /* suppress unused warnings since vars are needed */
7397         (void)selector;
7398         (void)flags;
7399
7400         if (getenv("SWM_STARTED"))
7401                 return (0);
7402
7403         bzero(s, sizeof s);
7404         if (sscanf(value, "ws[%d]:%d:%d:%d:%d:%1023c",
7405             &ws_id, &mg, &ma, &si, &ar, s) != 6)
7406                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7407                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7408                     "<type>'");
7409         ws_id--;
7410         if (ws_id < 0 || ws_id >= workspace_limit)
7411                 errx(1, "layout: invalid workspace %d", ws_id + 1);
7412
7413         if (strcasecmp(s, "vertical") == 0)
7414                 st = SWM_V_STACK;
7415         else if (strcasecmp(s, "vertical_flip") == 0) {
7416                 st = SWM_V_STACK;
7417                 f = 1;
7418         } else if (strcasecmp(s, "horizontal") == 0)
7419                 st = SWM_H_STACK;
7420         else if (strcasecmp(s, "horizontal_flip") == 0) {
7421                 st = SWM_H_STACK;
7422                 f = 1;
7423         } else if (strcasecmp(s, "fullscreen") == 0)
7424                 st = SWM_MAX_STACK;
7425         else
7426                 errx(1, "invalid layout entry, should be 'ws[<idx>]:"
7427                     "<master_grow>:<master_add>:<stack_inc>:<always_raise>:"
7428                     "<type>'");
7429
7430         num_screens = get_screen_count();
7431         for (i = 0; i < num_screens; i++) {
7432                 ws = (struct workspace *)&screens[i].ws;
7433                 ws[ws_id].cur_layout = &layouts[st];
7434
7435                 ws[ws_id].always_raise = ar;
7436                 if (st == SWM_MAX_STACK)
7437                         continue;
7438
7439                 /* master grow */
7440                 for (x = 0; x < abs(mg); x++) {
7441                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7442                             mg >= 0 ?  SWM_ARG_ID_MASTERGROW :
7443                             SWM_ARG_ID_MASTERSHRINK);
7444                         stack();
7445                 }
7446                 /* master add */
7447                 for (x = 0; x < abs(ma); x++) {
7448                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7449                             ma >= 0 ?  SWM_ARG_ID_MASTERADD :
7450                             SWM_ARG_ID_MASTERDEL);
7451                         stack();
7452                 }
7453                 /* stack inc */
7454                 for (x = 0; x < abs(si); x++) {
7455                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7456                             si >= 0 ?  SWM_ARG_ID_STACKINC :
7457                             SWM_ARG_ID_STACKDEC);
7458                         stack();
7459                 }
7460                 /* Apply flip */
7461                 if (f) {
7462                         ws[ws_id].cur_layout->l_config(&ws[ws_id],
7463                             SWM_ARG_ID_FLIPLAYOUT);
7464                         stack();
7465                 }
7466         }
7467
7468         focus_flush();
7469
7470         return (0);
7471 }
7472
7473 /* config options */
7474 struct config_option {
7475         char                    *optname;
7476         int                     (*func)(char*, char*, int);
7477         int                     funcflags;
7478 };
7479 struct config_option configopt[] = {
7480         { "autorun",                    setautorun,     0 },
7481         { "bar_action",                 setconfvalue,   SWM_S_BAR_ACTION },
7482         { "bar_at_bottom",              setconfvalue,   SWM_S_BAR_AT_BOTTOM },
7483         { "bar_border",                 setconfcolor,   SWM_S_COLOR_BAR_BORDER },
7484         { "bar_border_unfocus",         setconfcolor,   SWM_S_COLOR_BAR_BORDER_UNFOCUS },
7485         { "bar_border_width",           setconfvalue,   SWM_S_BAR_BORDER_WIDTH },
7486         { "bar_color",                  setconfcolor,   SWM_S_COLOR_BAR },
7487         { "bar_delay",                  setconfvalue,   SWM_S_BAR_DELAY },
7488         { "bar_enabled",                setconfvalue,   SWM_S_BAR_ENABLED },
7489         { "bar_enabled_ws",             setconfvalue,   SWM_S_BAR_ENABLED_WS },
7490         { "bar_font",                   setconfvalue,   SWM_S_BAR_FONT },
7491         { "bar_font_color",             setconfcolor,   SWM_S_COLOR_BAR_FONT },
7492         { "bar_format",                 setconfvalue,   SWM_S_BAR_FORMAT },
7493         { "bar_justify",                setconfvalue,   SWM_S_BAR_JUSTIFY },
7494         { "bind",                       setconfbinding, 0 },
7495         { "border_width",               setconfvalue,   SWM_S_BORDER_WIDTH },
7496         { "boundary_width",             setconfvalue,   SWM_S_BOUNDARY_WIDTH },
7497         { "clock_enabled",              setconfvalue,   SWM_S_CLOCK_ENABLED },
7498         { "clock_format",               setconfvalue,   SWM_S_CLOCK_FORMAT },
7499         { "color_focus",                setconfcolor,   SWM_S_COLOR_FOCUS },
7500         { "color_unfocus",              setconfcolor,   SWM_S_COLOR_UNFOCUS },
7501         { "cycle_empty",                setconfvalue,   SWM_S_CYCLE_EMPTY },
7502         { "cycle_visible",              setconfvalue,   SWM_S_CYCLE_VISIBLE },
7503         { "dialog_ratio",               setconfvalue,   SWM_S_DIALOG_RATIO },
7504         { "disable_border",             setconfvalue,   SWM_S_DISABLE_BORDER },
7505         { "focus_close",                setconfvalue,   SWM_S_FOCUS_CLOSE },
7506         { "focus_close_wrap",           setconfvalue,   SWM_S_FOCUS_CLOSE_WRAP },
7507         { "focus_default",              setconfvalue,   SWM_S_FOCUS_DEFAULT },
7508         { "focus_mode",                 setconfvalue,   SWM_S_FOCUS_MODE },
7509         { "keyboard_mapping",           setkeymapping,  0 },
7510         { "layout",                     setlayout,      0 },
7511         { "modkey",                     setconfmodkey,  0 },
7512         { "program",                    setconfspawn,   0 },
7513         { "quirk",                      setconfquirk,   0 },
7514         { "region",                     setconfregion,  0 },
7515         { "region_padding",             setconfvalue,   SWM_S_REGION_PADDING },
7516         { "screenshot_app",             setconfvalue,   SWM_S_SS_APP },
7517         { "screenshot_enabled",         setconfvalue,   SWM_S_SS_ENABLED },
7518         { "spawn_position",             setconfvalue,   SWM_S_SPAWN_ORDER },
7519         { "spawn_term",                 setconfvalue,   SWM_S_SPAWN_TERM },
7520         { "stack_enabled",              setconfvalue,   SWM_S_STACK_ENABLED },
7521         { "term_width",                 setconfvalue,   SWM_S_TERM_WIDTH },
7522         { "tile_gap",                   setconfvalue,   SWM_S_TILE_GAP },
7523         { "title_class_enabled",        setconfvalue,   SWM_S_TITLE_CLASS_ENABLED },
7524         { "title_name_enabled",         setconfvalue,   SWM_S_TITLE_NAME_ENABLED },
7525         { "urgent_enabled",             setconfvalue,   SWM_S_URGENT_ENABLED },
7526         { "verbose_layout",             setconfvalue,   SWM_S_VERBOSE_LAYOUT },
7527         { "window_name_enabled",        setconfvalue,   SWM_S_WINDOW_NAME_ENABLED },
7528         { "workspace_limit",            setconfvalue,   SWM_S_WORKSPACE_LIMIT },
7529 };
7530
7531 void
7532 _add_startup_exception(const char *fmt, va_list ap)
7533 {
7534         if (vasprintf(&startup_exception, fmt, ap) == -1)
7535                 warn("%s: asprintf", __func__);
7536 }
7537
7538 void
7539 add_startup_exception(const char *fmt, ...)
7540 {
7541         va_list ap;
7542
7543         nr_exceptions++;
7544
7545         if (startup_exception)
7546                 return;
7547
7548         /* force bar to be enabled due to exception */
7549         bar_enabled = 1;
7550
7551         va_start(ap, fmt);
7552         _add_startup_exception(fmt, ap);
7553         va_end(ap);
7554 }
7555
7556 int
7557 conf_load(const char *filename, int keymapping)
7558 {
7559         FILE                    *config;
7560         char                    *line = NULL, *cp, *optsub, *optval = NULL;
7561         size_t                  linelen, lineno = 0;
7562         int                     wordlen, i, optidx;
7563         struct config_option    *opt = NULL;
7564
7565         DNPRINTF(SWM_D_CONF, "conf_load: begin\n");
7566
7567         if (filename == NULL) {
7568                 warnx("conf_load: no filename");
7569                 return (1);
7570         }
7571
7572         DNPRINTF(SWM_D_CONF, "conf_load: open %s\n", filename);
7573
7574         if ((config = fopen(filename, "r")) == NULL) {
7575                 warn("conf_load: fopen: %s", filename);
7576                 return (1);
7577         }
7578
7579         while (!feof(config)) {
7580                 if (line)
7581                         free(line);
7582
7583                 if ((line = fparseln(config, &linelen, &lineno, NULL,
7584                     FPARSELN_UNESCCOMM | FPARSELN_UNESCCONT)) == NULL) {
7585                         if (ferror(config))
7586                                 err(1, "%s", filename);
7587                         else
7588                                 continue;
7589                 }
7590                 cp = line;
7591                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7592                 if (cp[0] == '\0') {
7593                         /* empty line */
7594                         continue;
7595                 }
7596                 /* get config option */
7597                 wordlen = strcspn(cp, "=[ \t\n");
7598                 if (wordlen == 0) {
7599                         add_startup_exception("%s: line %zd: no option found",
7600                             filename, lineno);
7601                         continue;
7602                 }
7603                 optidx = -1;
7604                 for (i = 0; i < LENGTH(configopt); i++) {
7605                         opt = &configopt[i];
7606                         if (strncasecmp(cp, opt->optname, wordlen) == 0 &&
7607                             (int)strlen(opt->optname) == wordlen) {
7608                                 optidx = i;
7609                                 break;
7610                         }
7611                 }
7612                 if (optidx == -1) {
7613                         add_startup_exception("%s: line %zd: unknown option "
7614                             "%.*s", filename, lineno, wordlen, cp);
7615                         continue;
7616                 }
7617                 if (keymapping && opt && strcmp(opt->optname, "bind")) {
7618                         add_startup_exception("%s: line %zd: invalid option "
7619                             "%.*s", filename, lineno, wordlen, cp);
7620                         continue;
7621                 }
7622                 cp += wordlen;
7623                 cp += strspn(cp, " \t\n"); /* eat whitespace */
7624
7625                 /* from here on out we call goto invalid to continue */
7626
7627                 /* get [selector] if any */
7628                 optsub = NULL;
7629                 if (*cp == '[') {
7630                         cp++;
7631                         wordlen = strcspn(cp, "]");
7632                         if (*cp != ']') {
7633                                 if (wordlen == 0) {
7634                                         add_startup_exception("%s: line %zd: "
7635                                             "syntax error", filename, lineno);
7636                                         goto invalid;
7637                                 }
7638
7639                                 if (asprintf(&optsub, "%.*s", wordlen, cp) ==
7640                                     -1) {
7641                                         add_startup_exception("%s: line %zd: "
7642                                             "unable to allocatememory for "
7643                                             "selector", filename, lineno);
7644                                         goto invalid;
7645                                 }
7646                         }
7647                         cp += wordlen;
7648                         cp += strspn(cp, "] \t\n"); /* eat trailing */
7649                 }
7650                 cp += strspn(cp, "= \t\n"); /* eat trailing */
7651                 /* get RHS value */
7652                 optval = strdup(cp);
7653                 if (strlen(optval) == 0) {
7654                         add_startup_exception("%s: line %zd: must supply value "
7655                             "to %s", filename, lineno,
7656                             configopt[optidx].optname);
7657                         goto invalid;
7658                 }
7659                 /* call function to deal with it all */
7660                 if (configopt[optidx].func(optsub, optval,
7661                     configopt[optidx].funcflags) != 0) {
7662                         add_startup_exception("%s: line %zd: invalid data for "
7663                             "%s", filename, lineno, configopt[optidx].optname);
7664                         goto invalid;
7665                 }
7666 invalid:
7667                 if (optval) {
7668                         free(optval);
7669                         optval = NULL;
7670                 }
7671                 if (optsub) {
7672                         free(optsub);
7673                         optsub = NULL;
7674                 }
7675         }
7676
7677         if (line)
7678                 free(line);
7679         fclose(config);
7680         DNPRINTF(SWM_D_CONF, "conf_load: end\n");
7681
7682         return (0);
7683 }
7684
7685 void
7686 set_child_transient(struct ws_win *win, xcb_window_t *trans)
7687 {
7688         struct ws_win           *parent, *w;
7689         struct swm_region       *r;
7690         struct workspace        *ws;
7691         xcb_icccm_wm_hints_t    wmh;
7692
7693         parent = find_window(win->transient);
7694         if (parent)
7695                 parent->focus_child = win;
7696         else {
7697                 DNPRINTF(SWM_D_MISC, "set_child_transient: parent doesn't exist"
7698                     " for 0x%x trans 0x%x\n", win->id, win->transient);
7699
7700                 r = root_to_region(win->s->root, SWM_CK_ALL);
7701                 ws = r->ws;
7702                 /* parent doen't exist in our window list */
7703                 TAILQ_FOREACH(w, &ws->winlist, entry) {
7704                         if (xcb_icccm_get_wm_hints_reply(conn,
7705                             xcb_icccm_get_wm_hints(conn, w->id),
7706                             &wmh, NULL) != 1) {
7707                                 warnx("can't get hints for 0x%x", w->id);
7708                                 continue;
7709                         }
7710
7711                         if (win->hints.window_group != wmh.window_group)
7712                                 continue;
7713
7714                         w->focus_child = win;
7715                         win->transient = w->id;
7716                         *trans = w->id;
7717                         DNPRINTF(SWM_D_MISC, "set_child_transient: adjusting "
7718                             "transient to 0x%x\n", win->transient);
7719                         break;
7720                 }
7721         }
7722 }
7723
7724 pid_t
7725 window_get_pid(xcb_window_t win)
7726 {
7727         pid_t                           ret = 0;
7728         const char                      *errstr;
7729         xcb_atom_t                      apid;
7730         xcb_get_property_cookie_t       pc;
7731         xcb_get_property_reply_t        *pr;
7732
7733         apid = get_atom_from_string("_NET_WM_PID");
7734         if (apid == XCB_ATOM_NONE)
7735                 goto tryharder;
7736
7737         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_CARDINAL, 0, 1);
7738         pr = xcb_get_property_reply(conn, pc, NULL);
7739         if (pr == NULL)
7740                 goto tryharder;
7741         if (pr->type != XCB_ATOM_CARDINAL) {
7742                 free(pr);
7743                 goto tryharder;
7744         }
7745
7746         if (pr->type == apid && pr->format == 32)
7747                 ret = *((pid_t *)xcb_get_property_value(pr));
7748         free(pr);
7749
7750         return (ret);
7751
7752 tryharder:
7753         apid = get_atom_from_string("_SWM_PID");
7754         pc = xcb_get_property(conn, 0, win, apid, XCB_ATOM_STRING,
7755             0, SWM_PROPLEN);
7756         pr = xcb_get_property_reply(conn, pc, NULL);
7757         if (pr == NULL)
7758                 return (0);
7759         if (pr->type != apid) {
7760                 free(pr);
7761                 return (0);
7762         }
7763
7764         ret = (pid_t)strtonum(xcb_get_property_value(pr), 0, INT_MAX, &errstr);
7765         free(pr);
7766
7767         return (ret);
7768 }
7769
7770 int
7771 get_ws_idx(xcb_window_t id)
7772 {
7773         int                     ws_idx = -1;
7774         char                    *prop = NULL;
7775         size_t                  proplen;
7776         const char              *errstr;
7777         xcb_get_property_reply_t        *gpr;
7778
7779         gpr = xcb_get_property_reply(conn,
7780                 xcb_get_property(conn, 0, id, a_swm_ws,
7781                     XCB_ATOM_STRING, 0, SWM_PROPLEN),
7782                 NULL);
7783         if (gpr == NULL)
7784                 return (-1);
7785         if (gpr->type) {
7786                 proplen = xcb_get_property_value_length(gpr);
7787                 if (proplen > 0) {
7788                         prop = malloc(proplen + 1);
7789                         if (prop) {
7790                                 memcpy(prop,
7791                                     xcb_get_property_value(gpr),
7792                                     proplen);
7793                                 prop[proplen] = '\0';
7794                         }
7795                 }
7796         }
7797         free(gpr);
7798
7799         if (prop) {
7800                 DNPRINTF(SWM_D_PROP, "get_ws_idx: _SWM_WS: %s\n", prop);
7801                 ws_idx = (int)strtonum(prop, 0, workspace_limit - 1, &errstr);
7802                 if (errstr) {
7803                         DNPRINTF(SWM_D_PROP, "get_ws_idx: window: #%s: %s",
7804                             errstr, prop);
7805                 }
7806                 free(prop);
7807         }
7808
7809         return ws_idx;
7810 }
7811
7812 struct ws_win *
7813 manage_window(xcb_window_t id, uint16_t mapped)
7814 {
7815         xcb_window_t            trans = XCB_WINDOW_NONE;
7816         struct ws_win           *win, *ww;
7817         int                     ws_idx;
7818         char                    ws_idx_str[SWM_PROPLEN];
7819         struct swm_region       *r;
7820         struct pid_e            *p;
7821         struct quirk            *qp;
7822         uint32_t                i, wa[2];
7823         xcb_get_geometry_reply_t        *gr;
7824         xcb_icccm_get_wm_protocols_reply_t      wpr;
7825
7826         if ((win = find_window(id)) != NULL) {
7827                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x already "
7828                     "managed; skipping.)\n", id);
7829                 return (win);   /* Already managed. */
7830         }
7831
7832         /* See if window is on the unmanaged list. */
7833         if ((win = find_unmanaged_window(id)) != NULL) {
7834                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x found on "
7835                     "unmanaged list.\n", id);
7836                 TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
7837
7838                 if (win->transient)
7839                         set_child_transient(win, &trans);
7840
7841                 goto out;
7842         } else {
7843                 DNPRINTF(SWM_D_MISC, "manage_window: win 0x%x is new.\n", id);
7844         }
7845
7846         /* Try to get initial window geometry. */
7847         gr = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, id), NULL);
7848         if (gr == NULL) {
7849                 DNPRINTF(SWM_D_MISC, "manage_window: get geometry failed.\n");
7850                 return (NULL);
7851         }
7852
7853         /* Create and initialize ws_win object. */
7854         if ((win = calloc(1, sizeof(struct ws_win))) == NULL)
7855                 err(1, "manage_window: calloc: failed to allocate memory for "
7856                     "new window");
7857
7858         win->id = id;
7859
7860         /* Figureout which region the window belongs to. */
7861         r = root_to_region(gr->root, SWM_CK_ALL);
7862
7863         /* Ignore window border if there is one. */
7864         WIDTH(win) = gr->width;
7865         HEIGHT(win) = gr->height;
7866         X(win) = gr->x + gr->border_width - border_width;
7867         Y(win) = gr->y + gr->border_width - border_width;
7868         win->bordered = 1;
7869         win->mapped = mapped;
7870         win->floatmaxed = 0;
7871         win->ewmh_flags = 0;
7872         win->s = r->s;  /* this never changes */
7873
7874         free(gr);
7875
7876         /* Get WM_SIZE_HINTS. */
7877         xcb_icccm_get_wm_normal_hints_reply(conn,
7878             xcb_icccm_get_wm_normal_hints(conn, win->id),
7879             &win->sh, NULL);
7880
7881         /* Get WM_HINTS. */
7882         xcb_icccm_get_wm_hints_reply(conn,
7883             xcb_icccm_get_wm_hints(conn, win->id),
7884             &win->hints, NULL);
7885
7886         /* Get WM_TRANSIENT_FOR; see if window is a transient. */
7887         xcb_icccm_get_wm_transient_for_reply(conn,
7888             xcb_icccm_get_wm_transient_for(conn, win->id),
7889             &trans, NULL);
7890         if (trans) {
7891                 win->transient = trans;
7892                 set_child_transient(win, &win->transient);
7893         }
7894
7895         /* Get supported protocols. */
7896         if (xcb_icccm_get_wm_protocols_reply(conn,
7897             xcb_icccm_get_wm_protocols(conn, win->id, a_prot),
7898             &wpr, NULL)) {
7899                 for (i = 0; i < wpr.atoms_len; i++) {
7900                         if (wpr.atoms[i] == a_takefocus)
7901                                 win->take_focus = 1;
7902                         if (wpr.atoms[i] == a_delete)
7903                                 win->can_delete = 1;
7904                 }
7905                 xcb_icccm_get_wm_protocols_reply_wipe(&wpr);
7906         }
7907
7908         win->iconic = get_swm_iconic(win);
7909
7910         /* Figure out which workspace the window belongs to. */
7911         if ((p = find_pid(window_get_pid(win->id))) != NULL) {
7912                 win->ws = &r->s->ws[p->ws];
7913                 TAILQ_REMOVE(&pidlist, p, entry);
7914                 free(p);
7915                 p = NULL;
7916         } else if ((ws_idx = get_ws_idx(win->id)) != -1 &&
7917             !win->transient) {
7918                 /* _SWM_WS is set; use that. */
7919                 win->ws = &r->s->ws[ws_idx];
7920         } else if (trans && (ww = find_window(trans)) != NULL) {
7921                 /* Launch transients in the same ws as parent. */
7922                 win->ws = ww->ws;
7923         } else {
7924                 win->ws = r->ws;
7925         }
7926
7927         /* Set the _SWM_WS atom so we can remember this after reincarnation. */
7928         if (snprintf(ws_idx_str, SWM_PROPLEN, "%d", win->ws->idx) <
7929             SWM_PROPLEN) {
7930                 DNPRINTF(SWM_D_PROP, "manage_window: set _SWM_WS: %s\n",
7931                     ws_idx_str);
7932                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win->id,
7933                     a_swm_ws, XCB_ATOM_STRING, 8, strlen(ws_idx_str),
7934                     ws_idx_str);
7935         }
7936
7937         /* WS must already be set for this to work. */
7938         store_float_geom(win);
7939
7940         /* Handle EWMH */
7941         ewmh_autoquirk(win);
7942
7943         /* Determine initial quirks. */
7944         if (xcb_icccm_get_wm_class_reply(conn,
7945             xcb_icccm_get_wm_class(conn, win->id),
7946             &win->ch, NULL)) {
7947                 DNPRINTF(SWM_D_CLASS, "manage_window: class: %s, name: %s\n",
7948                     win->ch.class_name, win->ch.instance_name);
7949
7950                 /* java is retarded so treat it special */
7951                 if (strstr(win->ch.instance_name, "sun-awt")) {
7952                         DNPRINTF(SWM_D_CLASS, "manage_window: java window "
7953                             "detected.\n");
7954                         win->java = 1;
7955                 }
7956
7957                 TAILQ_FOREACH(qp, &quirks, entry) {
7958                         if (strcmp(win->ch.class_name, qp->class) == 0 &&
7959                             strcmp(win->ch.instance_name, qp->name) == 0) {
7960                                 DNPRINTF(SWM_D_CLASS, "manage_window: on quirks"
7961                                     "list; mask: 0x%lx\n", qp->quirk);
7962                                 if (qp->quirk & SWM_Q_FLOAT)
7963                                         win->floating = 1;
7964                                 win->quirks = qp->quirk;
7965                         }
7966                 }
7967         }
7968
7969         /* Alter window position if quirky */
7970         if (win->quirks & SWM_Q_ANYWHERE)
7971                 win->manual = 1;
7972
7973         /* Reset font sizes (the bruteforce way; no default keybinding). */
7974         if (win->quirks & SWM_Q_XTERM_FONTADJ) {
7975                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7976                         fake_keypress(win, XK_KP_Subtract, XCB_MOD_MASK_SHIFT);
7977                 for (i = 0; i < SWM_MAX_FONT_STEPS; i++)
7978                         fake_keypress(win, XK_KP_Add, XCB_MOD_MASK_SHIFT);
7979         }
7980
7981         /* Make sure window is positioned inside its region, if its active. */
7982         if (win->ws->r) {
7983                 region_containment(win, r, SWM_CW_ALLSIDES |
7984                     SWM_CW_HARDBOUNDARY);
7985                 update_window(win);
7986         }
7987
7988         /* Select which X events to monitor and set border pixel color. */
7989         wa[0] = win->s->c[SWM_S_COLOR_UNFOCUS].pixel;
7990         wa[1] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_PROPERTY_CHANGE |
7991             XCB_EVENT_MASK_STRUCTURE_NOTIFY;
7992 #ifdef SWM_DEBUG
7993         wa[1] |= XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
7994 #endif
7995
7996         xcb_change_window_attributes(conn, win->id, XCB_CW_BORDER_PIXEL |
7997             XCB_CW_EVENT_MASK, wa);
7998
7999 out:
8000         /* Figure out where to stack the window in the workspace. */
8001         if (trans && (ww = find_window(trans)))
8002                 TAILQ_INSERT_AFTER(&win->ws->winlist, ww, win, entry);
8003         else if (win->ws->focus && spawn_position == SWM_STACK_ABOVE)
8004                 TAILQ_INSERT_AFTER(&win->ws->winlist, win->ws->focus, win,
8005                     entry);
8006         else if (win->ws->focus && spawn_position == SWM_STACK_BELOW)
8007                 TAILQ_INSERT_BEFORE(win->ws->focus, win, entry);
8008         else switch (spawn_position) {
8009         default:
8010         case SWM_STACK_TOP:
8011         case SWM_STACK_ABOVE:
8012                 TAILQ_INSERT_TAIL(&win->ws->winlist, win, entry);
8013                 break;
8014         case SWM_STACK_BOTTOM:
8015         case SWM_STACK_BELOW:
8016                 TAILQ_INSERT_HEAD(&win->ws->winlist, win, entry);
8017         }
8018
8019         /* Get initial _NET_WM_STATE */
8020         ewmh_get_win_state(win);
8021         /* Set initial _NET_WM_ALLOWED_ACTIONS */
8022         ewmh_update_actions(win);
8023
8024         grabbuttons(win);
8025
8026         DNPRINTF(SWM_D_MISC, "manage_window: done. window: 0x%x, (x,y) w x h: "
8027             "(%d,%d) %d x %d, ws: %d, iconic: %s, transient: 0x%x\n", win->id,
8028             X(win), Y(win), WIDTH(win), HEIGHT(win), win->ws->idx,
8029             YESNO(win->iconic), win->transient);
8030
8031         return (win);
8032 }
8033
8034 void
8035 free_window(struct ws_win *win)
8036 {
8037         DNPRINTF(SWM_D_MISC, "free_window: window: 0x%x\n", win->id);
8038
8039         if (win == NULL)
8040                 return;
8041
8042         TAILQ_REMOVE(&win->ws->unmanagedlist, win, entry);
8043
8044         xcb_icccm_get_wm_class_reply_wipe(&win->ch);
8045
8046         kill_refs(win);
8047
8048         /* paint memory */
8049         memset(win, 0xff, sizeof *win); /* XXX kill later */
8050
8051         free(win);
8052         DNPRINTF(SWM_D_MISC, "free_window: done.\n");
8053 }
8054
8055 void
8056 unmanage_window(struct ws_win *win)
8057 {
8058         struct ws_win           *parent;
8059
8060         if (win == NULL)
8061                 return;
8062
8063         DNPRINTF(SWM_D_MISC, "unmanage_window: window: 0x%x\n", win->id);
8064
8065         if (win->transient) {
8066                 parent = find_window(win->transient);
8067                 if (parent)
8068                         parent->focus_child = NULL;
8069         }
8070
8071         TAILQ_REMOVE(&win->ws->winlist, win, entry);
8072         TAILQ_INSERT_TAIL(&win->ws->unmanagedlist, win, entry);
8073 }
8074
8075 void
8076 expose(xcb_expose_event_t *e)
8077 {
8078         int                     i, num_screens;
8079         struct swm_region       *r;
8080
8081         DNPRINTF(SWM_D_EVENT, "expose: window: 0x%x\n", e->window);
8082
8083         num_screens = get_screen_count();
8084         for (i = 0; i < num_screens; i++)
8085                 TAILQ_FOREACH(r, &screens[i].rl, entry)
8086                         if (e->window == WINID(r->bar))
8087                                 bar_draw();
8088
8089         xcb_flush(conn);
8090 }
8091
8092 #ifdef SWM_DEBUG
8093 void
8094 focusin(xcb_focus_in_event_t *e)
8095 {
8096         DNPRINTF(SWM_D_EVENT, "focusin: window: 0x%x, mode: %s(%u), "
8097             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8098             e->mode, get_notify_detail_label(e->detail), e->detail);
8099 }
8100
8101 void
8102 focusout(xcb_focus_out_event_t *e)
8103 {
8104         DNPRINTF(SWM_D_EVENT, "focusout: window: 0x%x, mode: %s(%u), "
8105             "detail: %s(%u)\n", e->event, get_notify_mode_label(e->mode),
8106             e->mode, get_notify_detail_label(e->detail), e->detail);
8107 }
8108 #endif
8109
8110 void
8111 keypress(xcb_key_press_event_t *e)
8112 {
8113         xcb_keysym_t            keysym;
8114         struct key              *kp;
8115
8116         keysym = xcb_key_press_lookup_keysym(syms, e, 0);
8117
8118         DNPRINTF(SWM_D_EVENT, "keypress: keysym: %u, win (x,y): 0x%x (%d,%d), "
8119             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8120             "state: %u, same_screen: %s\n", keysym, e->event, e->event_x,
8121             e->event_y, e->detail, e->time, e->root, e->root_x, e->root_y,
8122             e->child, e->state, YESNO(e->same_screen));
8123
8124         if ((kp = key_lookup(CLEANMASK(e->state), keysym)) == NULL)
8125                 goto out;
8126
8127         last_event_time = e->time;
8128
8129         if (kp->funcid == KF_SPAWN_CUSTOM)
8130                 spawn_custom(root_to_region(e->root, SWM_CK_ALL),
8131                     &(keyfuncs[kp->funcid].args), kp->spawn_name);
8132         else if (keyfuncs[kp->funcid].func)
8133                 keyfuncs[kp->funcid].func(root_to_region(e->root, SWM_CK_ALL),
8134                     &(keyfuncs[kp->funcid].args));
8135
8136 out:
8137         /* Unfreeze grab events. */
8138         xcb_allow_events(conn, XCB_ALLOW_ASYNC_KEYBOARD, e->time);
8139         xcb_flush(conn);
8140
8141         DNPRINTF(SWM_D_EVENT, "keypress: done.\n");
8142 }
8143
8144 void
8145 buttonpress(xcb_button_press_event_t *e)
8146 {
8147         struct ws_win           *win = NULL;
8148         struct swm_region       *r, *old_r;
8149         int                     i;
8150         int                     handled = 0;
8151
8152         DNPRINTF(SWM_D_EVENT, "buttonpress: win (x,y): 0x%x (%d,%d), "
8153             "detail: %u, time: %u, root (x,y): 0x%x (%d,%d), child: 0x%x, "
8154             "state: %u, same_screen: %s\n", e->event, e->event_x, e->event_y,
8155             e->detail, e->time, e->root, e->root_x, e->root_y, e->child,
8156             e->state, YESNO(e->same_screen));
8157
8158         if (e->event == e->root) {
8159                 if (e->child != 0) {
8160                         win = find_window(e->child);
8161                         /* Pass ButtonPress to window if it isn't managed. */
8162                         if (win == NULL)
8163                                 goto out;
8164                 } else {
8165                         /* Focus on empty region */
8166                         /* If no windows on region if its empty. */
8167                         r = root_to_region(e->root, SWM_CK_POINTER);
8168                         if (r == NULL) {
8169                                 DNPRINTF(SWM_D_EVENT, "buttonpress: "
8170                                     "NULL region; ignoring.\n");
8171                                 goto out;
8172                         }
8173
8174                         if (TAILQ_EMPTY(&r->ws->winlist)) {
8175                                 old_r = root_to_region(e->root, SWM_CK_FOCUS);
8176                                 if (old_r && old_r != r)
8177                                         unfocus_win(old_r->ws->focus);
8178
8179                                 xcb_set_input_focus(conn,
8180                                     XCB_INPUT_FOCUS_PARENT, e->root, e->time);
8181
8182                                 /* Clear bar since empty. */
8183                                 bar_draw();
8184
8185                                 handled = 1;
8186                                 goto out;
8187                         }
8188                 }
8189         } else {
8190                 win = find_window(e->event);
8191         }
8192
8193         if (win == NULL)
8194                 goto out;
8195
8196         last_event_time = e->time;
8197
8198         focus_win(get_focus_magic(win));
8199
8200         for (i = 0; i < LENGTH(buttons); i++)
8201                 if (client_click == buttons[i].action && buttons[i].func &&
8202                     buttons[i].button == e->detail &&
8203                     CLEANMASK(buttons[i].mask) == CLEANMASK(e->state)) {
8204                         buttons[i].func(win, &buttons[i].args);
8205                         handled = 1;
8206                 }
8207
8208 out:
8209         if (!handled) {
8210                 DNPRINTF(SWM_D_EVENT, "buttonpress: passing to window.\n");
8211                 /* Replay event to event window */
8212                 xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, e->time);
8213         } else {
8214                 DNPRINTF(SWM_D_EVENT, "buttonpress: handled.\n");
8215                 /* Unfreeze grab events. */
8216                 xcb_allow_events(conn, XCB_ALLOW_SYNC_POINTER, e->time);
8217         }
8218
8219         xcb_flush(conn);
8220 }
8221
8222 #ifdef SWM_DEBUG
8223 void
8224 print_win_geom(xcb_window_t w)
8225 {
8226         xcb_get_geometry_reply_t        *wa;
8227
8228         wa = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, w), NULL);
8229         if (wa == NULL) {
8230                 DNPRINTF(SWM_D_MISC, "print_win_geom: window not found: 0x%x\n",
8231                     w);
8232                 return;
8233         }
8234
8235         DNPRINTF(SWM_D_MISC, "print_win_geom: window: 0x%x, root: 0x%x, "
8236             "depth: %u, (x,y) w x h: (%d,%d) %d x %d, border: %d\n",
8237             w, wa->root, wa->depth, wa->x,  wa->y, wa->width, wa->height,
8238             wa->border_width);
8239
8240         free(wa);
8241 }
8242 #endif
8243
8244 #ifdef SWM_DEBUG
8245 char *
8246 get_stack_mode_name(uint8_t mode)
8247 {
8248         char    *name;
8249
8250         switch(mode) {
8251         case XCB_STACK_MODE_ABOVE:
8252                 name = "Above";
8253                 break;
8254         case XCB_STACK_MODE_BELOW:
8255                 name = "Below";
8256                 break;
8257         case XCB_STACK_MODE_TOP_IF:
8258                 name = "TopIf";
8259                 break;
8260         case XCB_STACK_MODE_BOTTOM_IF:
8261                 name = "BottomIf";
8262                 break;
8263         case XCB_STACK_MODE_OPPOSITE:
8264                 name = "Opposite";
8265                 break;
8266         default:
8267                 name = "Unknown";
8268         }
8269
8270         return name;
8271 }
8272 #endif
8273
8274 void
8275 configurerequest(xcb_configure_request_event_t *e)
8276 {
8277         struct ws_win           *win;
8278         struct swm_region       *r = NULL;
8279         int                     new = 0, i = 0;
8280         uint16_t                mask = 0;
8281         uint32_t                wc[7] = {0};
8282
8283         if ((win = find_window(e->window)) == NULL)
8284                 if ((win = find_unmanaged_window(e->window)) == NULL)
8285                         new = 1;
8286
8287 #ifdef SWM_DEBUG
8288         if (swm_debug & SWM_D_EVENT) {
8289                 print_win_geom(e->window);
8290
8291                 DNPRINTF(SWM_D_EVENT, "configurerequest: window: 0x%x, "
8292                     "parent: 0x%x, new: %s, value_mask: %u { ", e->window,
8293                     e->parent, YESNO(new), e->value_mask);
8294                 if (e->value_mask & XCB_CONFIG_WINDOW_X)
8295                         DPRINTF("X: %d ", e->x);
8296                 if (e->value_mask & XCB_CONFIG_WINDOW_Y)
8297                         DPRINTF("Y: %d ", e->y);
8298                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8299                         DPRINTF("W: %u ", e->width);
8300                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8301                         DPRINTF("H: %u ", e->height);
8302                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
8303                         DPRINTF("Border: %u ", e->border_width);
8304                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING)
8305                         DPRINTF("Sibling: 0x%x ", e->sibling);
8306                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
8307                         DPRINTF("StackMode: %s(%u) ",
8308                             get_stack_mode_name(e->stack_mode), e->stack_mode);
8309                 DPRINTF("}\n");
8310         }
8311 #endif
8312
8313         if (new) {
8314                 if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8315                         mask |= XCB_CONFIG_WINDOW_X;
8316                         wc[i++] = e->x;
8317                 }
8318                 if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8319                         mask |= XCB_CONFIG_WINDOW_Y;
8320                         wc[i++] = e->y;
8321                 }
8322                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
8323                         mask |= XCB_CONFIG_WINDOW_WIDTH;
8324                         wc[i++] = e->width;
8325                 }
8326                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
8327                         mask |= XCB_CONFIG_WINDOW_HEIGHT;
8328                         wc[i++] = e->height;
8329                 }
8330                 if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
8331                         mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
8332                         wc[i++] = e->border_width;
8333                 }
8334                 if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
8335                         mask |= XCB_CONFIG_WINDOW_SIBLING;
8336                         wc[i++] = e->sibling;
8337                 }
8338                 if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
8339                         mask |= XCB_CONFIG_WINDOW_STACK_MODE;
8340                         wc[i++] = e->stack_mode;
8341                 }
8342
8343                 if (mask != 0) {
8344                         xcb_configure_window(conn, e->window, mask, wc);
8345                         xcb_flush(conn);
8346                 }
8347         } else if ((!win->manual || win->quirks & SWM_Q_ANYWHERE) &&
8348             !(win->ewmh_flags & EWMH_F_FULLSCREEN)) {
8349                 if (win->ws->r)
8350                         r = win->ws->r;
8351                 else if (win->ws->old_r)
8352                         r = win->ws->old_r;
8353
8354                 /* windows are centered unless ANYWHERE quirk is set. */
8355                 if (win->quirks & SWM_Q_ANYWHERE) {
8356                         if (e->value_mask & XCB_CONFIG_WINDOW_X) {
8357                                 win->g_float.x = e->x;
8358                                 if (r)
8359                                         win->g_float.x -= X(r);
8360                         }
8361
8362                         if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
8363                                 win->g_float.y = e->y;
8364                                 if (r)
8365                                         win->g_float.y -= Y(r);
8366                         }
8367                 }
8368
8369                 if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH)
8370                         win->g_float.w = e->width;
8371
8372                 if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
8373                         win->g_float.h = e->height;
8374
8375                 win->g_floatvalid = 1;
8376
8377                 if (win->floating && r && (win->transient ||
8378                     win->ws->cur_layout != &layouts[SWM_MAX_STACK])) {
8379                         WIDTH(win) = win->g_float.w;
8380                         HEIGHT(win) = win->g_float.h;
8381
8382                         if (r) {
8383                                 stack_floater(win, r);
8384                                 focus_flush();
8385                         }
8386                 } else {
8387                         config_win(win, e);
8388                         xcb_flush(conn);
8389                 }
8390         } else {
8391                 config_win(win, e);
8392                 xcb_flush(conn);
8393         }
8394
8395         DNPRINTF(SWM_D_EVENT, "configurerequest: done.\n");
8396 }
8397
8398 void
8399 configurenotify(xcb_configure_notify_event_t *e)
8400 {
8401         struct ws_win           *win;
8402
8403         DNPRINTF(SWM_D_EVENT, "configurenotify: win 0x%x, event win: 0x%x, "
8404             "(x,y) WxH: (%d,%d) %ux%u, border: %u, above_sibling: 0x%x, "
8405             "override_redirect: %s\n", e->window, e->event, e->x, e->y,
8406             e->width, e->height, e->border_width, e->above_sibling,
8407             YESNO(e->override_redirect));
8408
8409         win = find_window(e->window);
8410         if (win) {
8411                 xcb_icccm_get_wm_normal_hints_reply(conn,
8412                     xcb_icccm_get_wm_normal_hints(conn, win->id),
8413                     &win->sh, NULL);
8414                 adjust_font(win);
8415                 if (font_adjusted) {
8416                         stack();
8417                         xcb_flush(conn);
8418                 }
8419         }
8420 }
8421
8422 void
8423 destroynotify(xcb_destroy_notify_event_t *e)
8424 {
8425         struct ws_win           *win;
8426
8427         DNPRINTF(SWM_D_EVENT, "destroynotify: window: 0x%x\n", e->window);
8428
8429         if ((win = find_window(e->window)) == NULL) {
8430                 if ((win = find_unmanaged_window(e->window)) == NULL)
8431                         return;
8432                 free_window(win);
8433                 return;
8434         }
8435
8436         if (focus_mode != SWM_FOCUS_FOLLOW) {
8437                 /* If we were focused, make sure we focus on something else. */
8438                 if (win == win->ws->focus)
8439                         win->ws->focus_pending = get_focus_prev(win);
8440         }
8441
8442         unmanage_window(win);
8443         stack();
8444
8445         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
8446                 if (win->ws->focus_pending) {
8447                         focus_win(win->ws->focus_pending);
8448                         win->ws->focus_pending = NULL;
8449                 } else if (win == win->ws->focus) {
8450                         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8451                             win->ws->r->id, XCB_CURRENT_TIME);
8452                 }
8453         }
8454
8455         free_window(win);
8456
8457         focus_flush();
8458 }
8459
8460 #ifdef SWM_DEBUG
8461 char *
8462 get_notify_detail_label(uint8_t detail)
8463 {
8464         char *label;
8465
8466         switch (detail) {
8467         case XCB_NOTIFY_DETAIL_ANCESTOR:
8468                 label = "Ancestor";
8469                 break;
8470         case XCB_NOTIFY_DETAIL_VIRTUAL:
8471                 label = "Virtual";
8472                 break;
8473         case XCB_NOTIFY_DETAIL_INFERIOR:
8474                 label = "Inferior";
8475                 break;
8476         case XCB_NOTIFY_DETAIL_NONLINEAR:
8477                 label = "Nonlinear";
8478                 break;
8479         case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
8480                 label = "NonlinearVirtual";
8481                 break;
8482         case XCB_NOTIFY_DETAIL_POINTER:
8483                 label = "Pointer";
8484                 break;
8485         case XCB_NOTIFY_DETAIL_POINTER_ROOT:
8486                 label = "PointerRoot";
8487                 break;
8488         case XCB_NOTIFY_DETAIL_NONE:
8489                 label = "None";
8490                 break;
8491         default:
8492                 label = "Unknown";
8493         }
8494
8495         return label;
8496 }
8497
8498 char *
8499 get_notify_mode_label(uint8_t mode)
8500 {
8501         char *label;
8502
8503         switch (mode) {
8504         case XCB_NOTIFY_MODE_NORMAL:
8505                 label = "Normal";
8506                 break;
8507         case XCB_NOTIFY_MODE_GRAB:
8508                 label = "Grab";
8509                 break;
8510         case XCB_NOTIFY_MODE_UNGRAB:
8511                 label = "Ungrab";
8512                 break;
8513         case XCB_NOTIFY_MODE_WHILE_GRABBED:
8514                 label = "WhileGrabbed";
8515                 break;
8516         default:
8517                 label = "Unknown";
8518         }
8519
8520         return label;
8521 }
8522 #endif
8523
8524 void
8525 enternotify(xcb_enter_notify_event_t *e)
8526 {
8527         struct ws_win           *win;
8528         struct swm_region       *r;
8529
8530         DNPRINTF(SWM_D_FOCUS, "enternotify: time: %u, win (x,y): 0x%x "
8531             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8532             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8533             e->time, e->event, e->event_x, e->event_y,
8534             get_notify_mode_label(e->mode), e->mode,
8535             get_notify_detail_label(e->detail), e->detail,
8536             e->root, e->root_x, e->root_y, e->child,
8537             YESNO(e->same_screen_focus), e->state);
8538
8539         if (focus_mode == SWM_FOCUS_MANUAL &&
8540             e->mode == XCB_NOTIFY_MODE_NORMAL) {
8541                 DNPRINTF(SWM_D_EVENT, "enternotify: manual focus; ignoring.\n");
8542                 return;
8543         }
8544
8545         last_event_time = e->time;
8546
8547         if ((win = find_window(e->event)) == NULL) {
8548                 if (e->event == e->root) {
8549                         /* If no windows on pointer region, then focus root. */
8550                         r = root_to_region(e->root, SWM_CK_POINTER);
8551                         if (r == NULL) {
8552                                 DNPRINTF(SWM_D_EVENT, "enternotify: "
8553                                     "NULL region; ignoring.\n");
8554                                 return;
8555                         }
8556
8557                         focus_region(r);
8558                 } else {
8559                         DNPRINTF(SWM_D_EVENT, "enternotify: window is NULL; "
8560                             "ignoring\n");
8561                         return;
8562                 }
8563         } else {
8564                 focus_win(get_focus_magic(win));
8565         }
8566
8567         xcb_flush(conn);
8568 }
8569
8570 #ifdef SWM_DEBUG
8571 void
8572 leavenotify(xcb_leave_notify_event_t *e)
8573 {
8574         DNPRINTF(SWM_D_FOCUS, "leavenotify: time: %u, win (x,y): 0x%x "
8575             "(%d,%d), mode: %s(%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8576             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8577             e->time, e->event, e->event_x, e->event_y,
8578             get_notify_mode_label(e->mode), e->mode,
8579             get_notify_detail_label(e->detail), e->detail,
8580             e->root, e->root_x, e->root_y, e->child,
8581             YESNO(e->same_screen_focus), e->state);
8582 }
8583 #endif
8584
8585 void
8586 mapnotify(xcb_map_notify_event_t *e)
8587 {
8588         struct ws_win           *win;
8589
8590         DNPRINTF(SWM_D_EVENT, "mapnotify: window: 0x%x\n", e->window);
8591
8592         if ((win = manage_window(e->window, 1)) == NULL)
8593                 return;
8594
8595         win->mapped = 1;
8596         set_win_state(win, XCB_ICCCM_WM_STATE_NORMAL);
8597
8598         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(win->ws)) {
8599                 if (win->ws->focus_pending == win) {
8600                         focus_win(win);
8601                         win->ws->focus_pending = NULL;
8602                         focus_flush();
8603                 }
8604         }
8605
8606         xcb_flush(conn);
8607 }
8608
8609 void
8610 mappingnotify(xcb_mapping_notify_event_t *e)
8611 {
8612         xcb_refresh_keyboard_mapping(syms, e);
8613
8614         if (e->request == XCB_MAPPING_KEYBOARD)
8615                 grabkeys();
8616 }
8617
8618 void
8619 maprequest(xcb_map_request_event_t *e)
8620 {
8621         struct ws_win           *win, *w = NULL;
8622         xcb_get_window_attributes_reply_t *war;
8623
8624         DNPRINTF(SWM_D_EVENT, "maprequest: win 0x%x\n",
8625             e->window);
8626
8627         war = xcb_get_window_attributes_reply(conn,
8628             xcb_get_window_attributes(conn, e->window),
8629             NULL);
8630         if (war == NULL) {
8631                 DNPRINTF(SWM_D_EVENT, "maprequest: window lost.\n");
8632                 goto out;
8633         }
8634
8635         if (war->override_redirect) {
8636                 DNPRINTF(SWM_D_EVENT, "maprequest: override_redirect; "
8637                     "skipping.\n");
8638                 goto out;
8639         }
8640
8641         win = manage_window(e->window,
8642             (war->map_state == XCB_MAP_STATE_VIEWABLE));
8643         if (win == NULL)
8644                 goto out;
8645
8646         /* The new window should get focus; prepare. */
8647         if (focus_mode != SWM_FOCUS_FOLLOW &&
8648             !(win->quirks & SWM_Q_NOFOCUSONMAP)) {
8649                 if (win->quirks & SWM_Q_FOCUSONMAP_SINGLE) {
8650                         /* See if other wins of same type are already mapped. */
8651                         TAILQ_FOREACH(w, &win->ws->winlist, entry) {
8652                                 if (w == win || !w->mapped)
8653                                         continue;
8654
8655                                 if (w->ch.class_name &&
8656                                     win->ch.class_name &&
8657                                     strcmp(w->ch.class_name,
8658                                     win->ch.class_name) == 0 &&
8659                                     w->ch.instance_name &&
8660                                     win->ch.instance_name &&
8661                                     strcmp(w->ch.instance_name,
8662                                     win->ch.instance_name) == 0)
8663                                         break;
8664                         }
8665                 }
8666
8667                 if (w == NULL)
8668                         win->ws->focus_pending = get_focus_magic(win);
8669         }
8670
8671         /* All windows need to be mapped if they are in the current workspace.*/
8672         if (win->ws->r)
8673                 stack();
8674
8675         /* Ignore EnterNotify to handle the mapnotify without interference. */
8676         if (focus_mode == SWM_FOCUS_DEFAULT)
8677                 event_drain(XCB_ENTER_NOTIFY);
8678 out:
8679         free(war);
8680         DNPRINTF(SWM_D_EVENT, "maprequest: done.\n");
8681 }
8682
8683 void
8684 motionnotify(xcb_motion_notify_event_t *e)
8685 {
8686         struct swm_region       *r;
8687         int                     i, num_screens;
8688
8689         DNPRINTF(SWM_D_FOCUS, "motionnotify: time: %u, win (x,y): 0x%x "
8690             "(%d,%d), detail: %s(%d), root (x,y): 0x%x (%d,%d), "
8691             "child: 0x%x, same_screen_focus: %s, state: %d\n",
8692             e->time, e->event, e->event_x, e->event_y,
8693             get_notify_detail_label(e->detail), e->detail,
8694             e->root, e->root_x, e->root_y, e->child,
8695             YESNO(e->same_screen), e->state);
8696
8697         last_event_time = e->time;
8698
8699         if (focus_mode == SWM_FOCUS_MANUAL)
8700                 return;
8701
8702         num_screens = get_screen_count();
8703         for (i = 0; i < num_screens; i++)
8704                 if (screens[i].root == e->root)
8705                         break;
8706
8707         TAILQ_FOREACH(r, &screens[i].rl, entry)
8708                 if (X(r) <= e->root_x && e->root_x < MAX_X(r) &&
8709                     Y(r) <= e->root_y && e->root_y < MAX_Y(r))
8710                         break;
8711
8712         focus_region(r);
8713 }
8714
8715 #ifdef SWM_DEBUG
8716 char *
8717 get_atom_name(xcb_atom_t atom)
8718 {
8719         char                            *name = NULL;
8720 #if 0
8721         /*
8722          * This should be disabled during most debugging since
8723          * xcb_get_* causes an xcb_flush.
8724          */
8725         size_t                          len;
8726         xcb_get_atom_name_reply_t       *r;
8727
8728         r = xcb_get_atom_name_reply(conn,
8729             xcb_get_atom_name(conn, atom),
8730             NULL);
8731         if (r) {
8732                 len = xcb_get_atom_name_name_length(r);
8733                 if (len > 0) {
8734                         name = malloc(len + 1);
8735                         if (name) {
8736                                 memcpy(name, xcb_get_atom_name_name(r), len);
8737                                 name[len] = '\0';
8738                         }
8739                 }
8740                 free(r);
8741         }
8742 #else
8743         (void)atom;
8744 #endif
8745         return (name);
8746 }
8747 #endif
8748
8749 void
8750 propertynotify(xcb_property_notify_event_t *e)
8751 {
8752         struct ws_win           *win;
8753         struct workspace        *ws;
8754 #ifdef SWM_DEBUG
8755         char                    *name;
8756
8757         name = get_atom_name(e->atom);
8758         DNPRINTF(SWM_D_EVENT, "propertynotify: window: 0x%x, atom: %s(%u), "
8759             "time: %#x, state: %u\n", e->window, name, e->atom, e->time,
8760             e->state);
8761         free(name);
8762 #endif
8763         win = find_window(e->window);
8764         if (win == NULL)
8765                 return;
8766
8767         ws = win->ws;
8768
8769         last_event_time = e->time;
8770
8771         if (e->atom == a_swm_iconic) {
8772                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8773                         if (focus_mode != SWM_FOCUS_FOLLOW)
8774                                 ws->focus_pending = get_focus_prev(win);
8775
8776                         unfocus_win(win);
8777                         unmap_window(win);
8778
8779                         if (ws->r) {
8780                                 stack();
8781
8782                                 if (focus_mode != SWM_FOCUS_FOLLOW &&
8783                                     WS_FOCUSED(ws)) {
8784                                         if (ws->focus_pending) {
8785                                                 focus_win(ws->focus_pending);
8786                                                 ws->focus_pending = NULL;
8787                                         } else {
8788                                                 xcb_set_input_focus(conn,
8789                                                     XCB_INPUT_FOCUS_PARENT,
8790                                                     ws->r->id,
8791                                                     XCB_CURRENT_TIME);
8792                                         }
8793                                 }
8794
8795                                 focus_flush();
8796                         }
8797                 } else if (e->state == XCB_PROPERTY_DELETE) {
8798                         /* The window is no longer iconic, restack ws. */
8799                         if (focus_mode != SWM_FOCUS_FOLLOW)
8800                                 ws->focus_pending = get_focus_magic(win);
8801
8802                         stack();
8803
8804                         /* Flush EnterNotify for mapnotify, if needed. */
8805                         focus_flush();
8806                 }
8807         } else if (e->atom == a_state) {
8808                 /* State just changed, make sure it gets focused if mapped. */
8809                 if (e->state == XCB_PROPERTY_NEW_VALUE) {
8810                         if (focus_mode != SWM_FOCUS_FOLLOW && WS_FOCUSED(ws)) {
8811                                 if (win->mapped &&
8812                                     ws->focus_pending == win) {
8813                                         focus_win(ws->focus_pending);
8814                                         ws->focus_pending = NULL;
8815                                 }
8816                         }
8817                 }
8818         } else if (e->atom == XCB_ATOM_WM_CLASS ||
8819             e->atom == XCB_ATOM_WM_NAME) {
8820                 bar_draw();
8821         }
8822
8823         xcb_flush(conn);
8824 }
8825
8826 void
8827 unmapnotify(xcb_unmap_notify_event_t *e)
8828 {
8829         struct ws_win           *win;
8830         struct workspace        *ws;
8831
8832         DNPRINTF(SWM_D_EVENT, "unmapnotify: window: 0x%x\n", e->window);
8833
8834         /* If we aren't managing the window, then ignore. */
8835         win = find_window(e->window);
8836         if (win == NULL || win->id != e->window)
8837                 return;
8838
8839         ws = win->ws;
8840
8841         if (getstate(e->window) != XCB_ICCCM_WM_STATE_ICONIC)
8842                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8843
8844         if (win->mapped) {
8845                 /* window unmapped itself */
8846                 /* do unmap/unfocus/restack and unmanage */
8847                 win->mapped = 0;
8848
8849                 /* If win was focused, make sure to focus on something else. */
8850                 if (win == ws->focus) {
8851                         if (focus_mode != SWM_FOCUS_FOLLOW) {
8852                                 ws->focus_pending = get_focus_prev(win);
8853                                 DNPRINTF(SWM_D_EVENT, "unmapnotify: "
8854                                     "focus_pending: 0x%x\n",
8855                                     WINID(ws->focus_pending));
8856                         }
8857
8858                         unfocus_win(win);
8859                 }
8860
8861                 unmanage_window(win);
8862
8863                 if (ws->r)
8864                         stack();
8865
8866                 if (WS_FOCUSED(ws)) {
8867                         if (focus_mode == SWM_FOCUS_FOLLOW) {
8868                                 focus_win(get_pointer_win(ws->r->s->root));
8869                         } else if (ws->focus_pending) {
8870                                 focus_win(ws->focus_pending);
8871                                 ws->focus_pending = NULL;
8872                         } else if (ws->focus == NULL) {
8873                                 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_PARENT,
8874                                     ws->r->id, XCB_CURRENT_TIME);
8875                         }
8876                 }
8877         }
8878
8879         if (getstate(e->window) == XCB_ICCCM_WM_STATE_NORMAL)
8880                 set_win_state(win, XCB_ICCCM_WM_STATE_ICONIC);
8881
8882         focus_flush();
8883 }
8884
8885 #if 0
8886 void
8887 visibilitynotify(xcb_visibility_notify_event_t *e)
8888 {
8889         DNPRINTF(SWM_D_EVENT, "visibilitynotify: window: 0x%x\n",
8890             e->window);
8891 }
8892 #endif
8893
8894 void
8895 clientmessage(xcb_client_message_event_t *e)
8896 {
8897         struct ws_win *win;
8898         xcb_map_request_event_t mre;
8899 #ifdef SWM_DEBUG
8900         char                    *name;
8901
8902         name = get_atom_name(e->type);
8903         DNPRINTF(SWM_D_EVENT, "clientmessage: window: 0x%x, atom: %s(%u)\n",
8904             e->window, name, e->type);
8905         free(name);
8906 #endif
8907         win = find_window(e->window);
8908
8909         if (win == NULL) {
8910                 if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8911                         /* Manage the window with maprequest. */
8912                         DNPRINTF(SWM_D_EVENT, "clientmessage: request focus on "
8913                             "unmanaged window.\n");
8914                         mre.window = e->window;
8915                         maprequest(&mre);
8916                 }
8917                 return;
8918         }
8919
8920         if (e->type == ewmh[_NET_ACTIVE_WINDOW].atom) {
8921                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_ACTIVE_WINDOW\n");
8922                 if (WS_FOCUSED(win->ws))
8923                         focus_win(win);
8924                 else
8925                         win->ws->focus_pending = win;
8926         }
8927         if (e->type == ewmh[_NET_CLOSE_WINDOW].atom) {
8928                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_CLOSE_WINDOW\n");
8929                 if (win->can_delete)
8930                         client_msg(win, a_delete, 0);
8931                 else
8932                         xcb_kill_client(conn, win->id);
8933         }
8934         if (e->type == ewmh[_NET_MOVERESIZE_WINDOW].atom) {
8935                 DNPRINTF(SWM_D_EVENT,
8936                     "clientmessage: _NET_MOVERESIZE_WINDOW\n");
8937                 if (win->floating) {
8938                         if (e->data.data32[0] & (1<<8)) /* x */
8939                                 X(win) = e->data.data32[1];
8940                         if (e->data.data32[0] & (1<<9)) /* y */
8941                                 Y(win) = e->data.data32[2];
8942                         if (e->data.data32[0] & (1<<10)) /* width */
8943                                 WIDTH(win) = e->data.data32[3];
8944                         if (e->data.data32[0] & (1<<11)) /* height */
8945                                 HEIGHT(win) = e->data.data32[4];
8946
8947                         update_window(win);
8948                 }
8949                 else {
8950                         /* TODO: Change stack sizes */
8951                         /* notify no change was made. */
8952                         config_win(win, NULL);
8953                 }
8954         }
8955         if (e->type == ewmh[_NET_WM_STATE].atom) {
8956                 DNPRINTF(SWM_D_EVENT, "clientmessage: _NET_WM_STATE\n");
8957                 ewmh_update_win_state(win, e->data.data32[1], e->data.data32[0]);
8958                 if (e->data.data32[2])
8959                         ewmh_update_win_state(win, e->data.data32[2],
8960                             e->data.data32[0]);
8961
8962                 stack();
8963         }
8964
8965         focus_flush();
8966 }
8967
8968 void
8969 check_conn(void)
8970 {
8971         int      errcode = xcb_connection_has_error(conn);
8972 #ifdef XCB_CONN_ERROR
8973         char    *s;
8974         switch (errcode) {
8975         case XCB_CONN_ERROR:
8976                 s = "Socket error, pipe error or other stream error.";
8977                 break;
8978         case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
8979                 s = "Extension not supported.";
8980                 break;
8981         case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
8982                 s = "Insufficient memory.";
8983                 break;
8984         case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
8985                 s = "Request length was exceeded.";
8986                 break;
8987         case XCB_CONN_CLOSED_PARSE_ERR:
8988                 s = "Error parsing display string.";
8989                 break;
8990         default:
8991                 s = "Unknown error.";
8992         }
8993         if (errcode)
8994                 errx(errcode, "X CONNECTION ERROR: %s", s);
8995 #else
8996         if (errcode)
8997                 errx(errcode, "X CONNECTION ERROR");
8998 #endif
8999 }
9000
9001 int
9002 enable_wm(void)
9003 {
9004         int                     num_screens, i;
9005         const uint32_t          val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
9006             XCB_EVENT_MASK_ENTER_WINDOW;
9007         xcb_screen_t            *sc;
9008         xcb_void_cookie_t       wac;
9009         xcb_generic_error_t     *error;
9010
9011         /* this causes an error if some other window manager is running */
9012         num_screens = get_screen_count();
9013         for (i = 0; i < num_screens; i++) {
9014                 if ((sc = get_screen(i)) == NULL)
9015                         errx(1, "ERROR: can't get screen %d.", i);
9016                 DNPRINTF(SWM_D_INIT, "enable_wm: screen %d, root: 0x%x\n",
9017                     i, sc->root);
9018                 wac = xcb_change_window_attributes_checked(conn, sc->root,
9019                     XCB_CW_EVENT_MASK, &val);
9020                 if ((error = xcb_request_check(conn, wac))) {
9021                         DNPRINTF(SWM_D_INIT, "enable_wm: error_code: %u\n",
9022                             error->error_code);
9023                         free(error);
9024                         return 1;
9025                 }
9026
9027                 /* click to focus on empty region */
9028                 xcb_grab_button(conn, 1, sc->root, BUTTONMASK,
9029                     XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_WINDOW_NONE,
9030                     XCB_CURSOR_NONE, XCB_BUTTON_INDEX_1, XCB_BUTTON_MASK_ANY);
9031         }
9032
9033         return 0;
9034 }
9035
9036 void
9037 new_region(struct swm_screen *s, int x, int y, int w, int h)
9038 {
9039         struct swm_region       *r, *n;
9040         struct workspace        *ws = NULL;
9041         int                     i;
9042         uint32_t                wa[1];
9043
9044         DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
9045              s->idx, w, h, x, y);
9046
9047         /* remove any conflicting regions */
9048         n = TAILQ_FIRST(&s->rl);
9049         while (n) {
9050                 r = n;
9051                 n = TAILQ_NEXT(r, entry);
9052                 if (X(r) < (x + w) && (X(r) + WIDTH(r)) > x &&
9053                     Y(r) < (y + h) && (Y(r) + HEIGHT(r)) > y) {
9054                         if (r->ws->r != NULL)
9055                                 r->ws->old_r = r->ws->r;
9056                         r->ws->r = NULL;
9057                         bar_cleanup(r);
9058                         xcb_destroy_window(conn, r->id);
9059                         TAILQ_REMOVE(&s->rl, r, entry);
9060                         TAILQ_INSERT_TAIL(&s->orl, r, entry);
9061                 }
9062         }
9063
9064         /* search old regions for one to reuse */
9065
9066         /* size + location match */
9067         TAILQ_FOREACH(r, &s->orl, entry)
9068                 if (X(r) == x && Y(r) == y &&
9069                     HEIGHT(r) == h && WIDTH(r) == w)
9070                         break;
9071
9072         /* size match */
9073         TAILQ_FOREACH(r, &s->orl, entry)
9074                 if (HEIGHT(r) == h && WIDTH(r) == w)
9075                         break;
9076
9077         if (r != NULL) {
9078                 TAILQ_REMOVE(&s->orl, r, entry);
9079                 /* try to use old region's workspace */
9080                 if (r->ws->r == NULL)
9081                         ws = r->ws;
9082         } else
9083                 if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
9084                         err(1, "new_region: calloc: failed to allocate memory "
9085                             "for screen");
9086
9087         /* if we don't have a workspace already, find one */
9088         if (ws == NULL) {
9089                 for (i = 0; i < workspace_limit; i++)
9090                         if (s->ws[i].r == NULL) {
9091                                 ws = &s->ws[i];
9092                                 break;
9093                         }
9094         }
9095
9096         if (ws == NULL)
9097                 errx(1, "new_region: no free workspaces");
9098
9099         X(r) = x;
9100         Y(r) = y;
9101         WIDTH(r) = w;
9102         HEIGHT(r) = h;
9103         r->s = s;
9104         r->ws = ws;
9105         r->ws_prior = NULL;
9106         ws->r = r;
9107         outputs++;
9108         TAILQ_INSERT_TAIL(&s->rl, r, entry);
9109
9110         /* Invisible region window to detect pointer events on empty regions. */
9111         r->id = xcb_generate_id(conn);
9112         wa[0] = XCB_EVENT_MASK_POINTER_MOTION |
9113             XCB_EVENT_MASK_POINTER_MOTION_HINT;
9114
9115         xcb_create_window(conn, XCB_COPY_FROM_PARENT, r->id, r->s->root,
9116             X(r), Y(r), WIDTH(r), HEIGHT(r), 0, XCB_WINDOW_CLASS_INPUT_ONLY,
9117             XCB_COPY_FROM_PARENT, XCB_CW_EVENT_MASK, wa);
9118
9119         xcb_map_window(conn, r->id);
9120 }
9121
9122 void
9123 scan_xrandr(int i)
9124 {
9125 #ifdef SWM_XRR_HAS_CRTC
9126         int                                             c;
9127         int                                             ncrtc = 0;
9128 #endif /* SWM_XRR_HAS_CRTC */
9129         struct swm_region                               *r;
9130         struct ws_win                                   *win;
9131         int                                             num_screens;
9132         xcb_randr_get_screen_resources_current_cookie_t src;
9133         xcb_randr_get_screen_resources_current_reply_t  *srr;
9134         xcb_randr_get_crtc_info_cookie_t                cic;
9135         xcb_randr_get_crtc_info_reply_t                 *cir = NULL;
9136         xcb_randr_crtc_t                                *crtc;
9137         xcb_screen_t                                    *screen;
9138
9139         DNPRINTF(SWM_D_MISC, "scan_xrandr: screen: %d\n", i);
9140
9141         if ((screen = get_screen(i)) == NULL)
9142                 errx(1, "ERROR: can't get screen %d.", i);
9143
9144         num_screens = get_screen_count();
9145         if (i >= num_screens)
9146                 errx(1, "scan_xrandr: invalid screen");
9147
9148         /* remove any old regions */
9149         while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
9150                 r->ws->old_r = r->ws->r = NULL;
9151                 bar_cleanup(r);
9152                 xcb_destroy_window(conn, r->id);
9153                 TAILQ_REMOVE(&screens[i].rl, r, entry);
9154                 TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
9155         }
9156         outputs = 0;
9157
9158         /* map virtual screens onto physical screens */
9159 #ifdef SWM_XRR_HAS_CRTC
9160         if (xrandr_support) {
9161                 src = xcb_randr_get_screen_resources_current(conn,
9162                     screens[i].root);
9163                 srr = xcb_randr_get_screen_resources_current_reply(conn, src,
9164                     NULL);
9165                 if (srr == NULL) {
9166                         new_region(&screens[i], 0, 0,
9167                             screen->width_in_pixels,
9168                             screen->height_in_pixels);
9169                         goto out;
9170                 } else
9171                         ncrtc = srr->num_crtcs;
9172
9173                 crtc = xcb_randr_get_screen_resources_current_crtcs(srr);
9174                 for (c = 0; c < ncrtc; c++) {
9175                         cic = xcb_randr_get_crtc_info(conn, crtc[c],
9176                             XCB_CURRENT_TIME);
9177                         cir = xcb_randr_get_crtc_info_reply(conn, cic, NULL);
9178                         if (cir == NULL)
9179                                 continue;
9180                         if (cir->num_outputs == 0) {
9181                                 free(cir);
9182                                 continue;
9183                         }
9184
9185                         if (cir->mode == 0)
9186                                 new_region(&screens[i], 0, 0,
9187                                     screen->width_in_pixels,
9188                                     screen->height_in_pixels);
9189                         else
9190                                 new_region(&screens[i],
9191                                     cir->x, cir->y, cir->width, cir->height);
9192                         free(cir);
9193                 }
9194                 free(srr);
9195         }
9196 #endif /* SWM_XRR_HAS_CRTC */
9197
9198         /* If detection failed, create a single region that spans the screen. */
9199         if (TAILQ_EMPTY(&screens[i].rl))
9200                 new_region(&screens[i], 0, 0, screen->width_in_pixels,
9201                     screen->height_in_pixels);
9202
9203 out:
9204         /* Cleanup unused previously visible workspaces. */
9205         TAILQ_FOREACH(r, &screens[i].orl, entry) {
9206                 TAILQ_FOREACH(win, &r->ws->winlist, entry)
9207                         unmap_window(win);
9208
9209                 /* The screen shouldn't focus on an unused region. */
9210                 if (screens[i].r_focus == r)
9211                         screens[i].r_focus = NULL;
9212         }
9213
9214         DNPRINTF(SWM_D_MISC, "scan_xrandr: done.\n");
9215 }
9216
9217 void
9218 screenchange(xcb_randr_screen_change_notify_event_t *e)
9219 {
9220         struct swm_region               *r;
9221         int                             i, num_screens;
9222
9223         DNPRINTF(SWM_D_EVENT, "screenchange: root: 0x%x\n", e->root);
9224
9225         num_screens = get_screen_count();
9226         /* silly event doesn't include the screen index */
9227         for (i = 0; i < num_screens; i++)
9228                 if (screens[i].root == e->root)
9229                         break;
9230         if (i >= num_screens)
9231                 errx(1, "screenchange: screen not found");
9232
9233         /* brute force for now, just re-enumerate the regions */
9234         scan_xrandr(i);
9235
9236 #ifdef SWM_DEBUG
9237         print_win_geom(e->root);
9238 #endif
9239         /* add bars to all regions */
9240         for (i = 0; i < num_screens; i++) {
9241                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9242                         bar_setup(r);
9243         }
9244
9245         stack();
9246
9247         /* Make sure a region has focus on each screen. */
9248         for (i = 0; i < num_screens; i++) {
9249                 if (screens[i].r_focus == NULL) {
9250                         r = TAILQ_FIRST(&screens[i].rl);
9251                         if (r != NULL)
9252                                 focus_region(r);
9253                 }
9254         }
9255
9256         bar_draw();
9257         focus_flush();
9258 }
9259
9260 void
9261 grab_windows(void)
9262 {
9263         struct swm_region       *r = NULL;
9264         xcb_window_t            *wins = NULL, trans;
9265         int                     no;
9266         int                     i, j, num_screens;
9267         uint16_t                state, manage, mapped;
9268
9269         xcb_query_tree_cookie_t                 qtc;
9270         xcb_query_tree_reply_t                  *qtr;
9271         xcb_get_window_attributes_cookie_t      gac;
9272         xcb_get_window_attributes_reply_t       *gar;
9273         xcb_get_property_cookie_t               pc;
9274
9275         DNPRINTF(SWM_D_INIT, "grab_windows: begin\n");
9276         num_screens = get_screen_count();
9277         for (i = 0; i < num_screens; i++) {
9278                 qtc = xcb_query_tree(conn, screens[i].root);
9279                 qtr = xcb_query_tree_reply(conn, qtc, NULL);
9280                 if (qtr == NULL)
9281                         continue;
9282                 wins = xcb_query_tree_children(qtr);
9283                 no = xcb_query_tree_children_length(qtr);
9284                 /* attach windows to a region */
9285                 /* normal windows */
9286                 DNPRINTF(SWM_D_INIT, "grab_windows: grab top level windows.\n");
9287                 for (j = 0; j < no; j++) {
9288                         TAILQ_FOREACH(r, &screens[i].rl, entry) {
9289                                 if (r->id == wins[j]) {
9290                                         DNPRINTF(SWM_D_INIT, "grab_windows: "
9291                                             "skip %#x; region input window.\n",
9292                                             wins[j]);
9293                                         break;
9294                                 }
9295                         }
9296
9297                         if (r)
9298                                 continue;
9299
9300                         gac = xcb_get_window_attributes(conn, wins[j]);
9301                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9302                         if (gar == NULL) {
9303                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9304                                     "doesn't exist.\n", wins[j]);
9305                                 continue;
9306                         }
9307
9308                         if (gar->override_redirect) {
9309                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9310                                     "override_redirect set.\n", wins[j]);
9311                                 free(gar);
9312                                 continue;
9313                         }
9314
9315                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9316                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9317                             &trans, NULL)) {
9318                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9319                                     "is transient for %#x.\n", wins[j], trans);
9320                                 free(gar);
9321                                 continue;
9322                         }
9323
9324                         state = getstate(wins[j]);
9325                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9326                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9327                         if (mapped || manage)
9328                                 manage_window(wins[j], mapped);
9329                         free(gar);
9330                 }
9331                 /* transient windows */
9332                 DNPRINTF(SWM_D_INIT, "grab_windows: grab transient windows.\n");
9333                 for (j = 0; j < no; j++) {
9334                         gac = xcb_get_window_attributes(conn, wins[j]);
9335                         gar = xcb_get_window_attributes_reply(conn, gac, NULL);
9336                         if (gar == NULL) {
9337                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9338                                     "doesn't exist.\n", wins[j]);
9339                                 continue;
9340                         }
9341
9342                         if (gar->override_redirect) {
9343                                 DNPRINTF(SWM_D_INIT, "grab_windows: skip %#x; "
9344                                     "override_redirect set.\n", wins[j]);
9345                                 free(gar);
9346                                 continue;
9347                         }
9348
9349                         state = getstate(wins[j]);
9350                         manage = state != XCB_ICCCM_WM_STATE_WITHDRAWN;
9351                         mapped = gar->map_state != XCB_MAP_STATE_UNMAPPED;
9352                         pc = xcb_icccm_get_wm_transient_for(conn, wins[j]);
9353                         if (xcb_icccm_get_wm_transient_for_reply(conn, pc,
9354                             &trans, NULL) && manage)
9355                                 manage_window(wins[j], mapped);
9356                         free(gar);
9357                 }
9358                 free(qtr);
9359         }
9360         DNPRINTF(SWM_D_INIT, "grab_windows: done.\n");
9361 }
9362
9363 void
9364 setup_screens(void)
9365 {
9366         int                     i, j, k, num_screens;
9367         struct workspace        *ws;
9368         uint32_t                gcv[1], wa[1];
9369         const xcb_query_extension_reply_t *qep;
9370         xcb_screen_t                            *screen;
9371         xcb_randr_query_version_cookie_t        c;
9372         xcb_randr_query_version_reply_t         *r;
9373
9374         num_screens = get_screen_count();
9375         if ((screens = calloc(num_screens,
9376              sizeof(struct swm_screen))) == NULL)
9377                 err(1, "setup_screens: calloc: failed to allocate memory for "
9378                     "screens");
9379
9380         /* initial Xrandr setup */
9381         xrandr_support = 0;
9382         qep = xcb_get_extension_data(conn, &xcb_randr_id);
9383         if (qep->present) {
9384                 c = xcb_randr_query_version(conn, 1, 1);
9385                 r = xcb_randr_query_version_reply(conn, c, NULL);
9386                 if (r) {
9387                         if (r->major_version >= 1) {
9388                                 xrandr_support = 1;
9389                                 xrandr_eventbase = qep->first_event;
9390                         }
9391                         free(r);
9392                 }
9393         }
9394
9395         wa[0] = cursors[XC_LEFT_PTR].cid;
9396
9397         /* map physical screens */
9398         for (i = 0; i < num_screens; i++) {
9399                 DNPRINTF(SWM_D_WS, "setup_screens: init screen: %d\n", i);
9400                 screens[i].idx = i;
9401                 screens[i].r_focus = NULL;
9402
9403                 TAILQ_INIT(&screens[i].rl);
9404                 TAILQ_INIT(&screens[i].orl);
9405                 if ((screen = get_screen(i)) == NULL)
9406                         errx(1, "ERROR: can't get screen %d.", i);
9407                 screens[i].root = screen->root;
9408
9409                 /* set default colors */
9410                 setscreencolor("red", i + 1, SWM_S_COLOR_FOCUS);
9411                 setscreencolor("rgb:88/88/88", i + 1, SWM_S_COLOR_UNFOCUS);
9412                 setscreencolor("rgb:00/80/80", i + 1, SWM_S_COLOR_BAR_BORDER);
9413                 setscreencolor("rgb:00/40/40", i + 1,
9414                     SWM_S_COLOR_BAR_BORDER_UNFOCUS);
9415                 setscreencolor("black", i + 1, SWM_S_COLOR_BAR);
9416                 setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
9417
9418                 /* create graphics context on screen */
9419                 screens[i].bar_gc = xcb_generate_id(conn);
9420                 gcv[0] = 0;
9421                 xcb_create_gc(conn, screens[i].bar_gc, screens[i].root,
9422                     XCB_GC_GRAPHICS_EXPOSURES, gcv);
9423
9424                 /* set default cursor */
9425                 xcb_change_window_attributes(conn, screens[i].root,
9426                     XCB_CW_CURSOR, wa);
9427
9428                 /* init all workspaces */
9429                 /* XXX these should be dynamically allocated too */
9430                 for (j = 0; j < SWM_WS_MAX; j++) {
9431                         ws = &screens[i].ws[j];
9432                         ws->idx = j;
9433                         ws->name = NULL;
9434                         ws->bar_enabled = 1;
9435                         ws->focus = NULL;
9436                         ws->focus_prev = NULL;
9437                         ws->focus_pending = NULL;
9438                         ws->r = NULL;
9439                         ws->old_r = NULL;
9440                         TAILQ_INIT(&ws->winlist);
9441                         TAILQ_INIT(&ws->unmanagedlist);
9442
9443                         for (k = 0; layouts[k].l_stack != NULL; k++)
9444                                 if (layouts[k].l_config != NULL)
9445                                         layouts[k].l_config(ws,
9446                                             SWM_ARG_ID_STACKINIT);
9447                         ws->cur_layout = &layouts[0];
9448                         ws->cur_layout->l_string(ws);
9449                 }
9450
9451                 scan_xrandr(i);
9452
9453                 if (xrandr_support)
9454                         xcb_randr_select_input(conn, screens[i].root,
9455                             XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
9456         }
9457 }
9458
9459 void
9460 setup_globals(void)
9461 {
9462         if ((bar_fonts = strdup(SWM_BAR_FONTS)) == NULL)
9463                 err(1, "setup_globals: strdup: failed to allocate memory.");
9464
9465         if ((clock_format = strdup("%a %b %d %R %Z %Y")) == NULL)
9466                 err(1, "setup_globals: strdup: failed to allocate memory.");
9467
9468         if ((syms = xcb_key_symbols_alloc(conn)) == NULL)
9469                 errx(1, "unable to allocate key symbols");
9470
9471         a_state = get_atom_from_string("WM_STATE");
9472         a_prot = get_atom_from_string("WM_PROTOCOLS");
9473         a_delete = get_atom_from_string("WM_DELETE_WINDOW");
9474         a_takefocus = get_atom_from_string("WM_TAKE_FOCUS");
9475         a_utf8_string = get_atom_from_string("UTF8_STRING");
9476         a_swm_iconic = get_atom_from_string("_SWM_ICONIC");
9477         a_swm_ws = get_atom_from_string("_SWM_WS");
9478 }
9479
9480 void
9481 workaround(void)
9482 {
9483         int                     i, num_screens;
9484         xcb_atom_t              netwmcheck;
9485         xcb_window_t            root, win;
9486
9487         /* work around sun jdk bugs, code from wmname */
9488         netwmcheck = get_atom_from_string("_NET_SUPPORTING_WM_CHECK");
9489
9490         num_screens = get_screen_count();
9491         for (i = 0; i < num_screens; i++) {
9492                 root = screens[i].root;
9493
9494                 win = xcb_generate_id(conn);
9495                 xcb_create_window(conn, XCB_COPY_FROM_PARENT, win, root,
9496                     0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
9497                     XCB_COPY_FROM_PARENT, 0, NULL);
9498
9499                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
9500                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9501                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9502                     netwmcheck, XCB_ATOM_WINDOW, 32, 1, &win);
9503                 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
9504                     ewmh[_NET_WM_NAME].atom, a_utf8_string, 8, strlen("LG3D"),
9505                     "LG3D");
9506         }
9507 }
9508
9509 void
9510 shutdown_cleanup(void)
9511 {
9512         int i, num_screens;
9513
9514         /* disable alarm because the following code may not be interrupted */
9515         alarm(0);
9516         if (signal(SIGALRM, SIG_IGN) == SIG_ERR)
9517                 err(1, "can't disable alarm");
9518
9519         bar_extra_stop();
9520         unmap_all();
9521
9522         cursors_cleanup();
9523
9524         teardown_ewmh();
9525
9526         num_screens = get_screen_count();
9527         for (i = 0; i < num_screens; ++i) {
9528                 if (screens[i].bar_gc != XCB_NONE)
9529                         xcb_free_gc(conn, screens[i].bar_gc);
9530                 if (!bar_font_legacy)
9531                         XftColorFree(display, DefaultVisual(display, i),
9532                             DefaultColormap(display, i), &bar_font_color);
9533         }
9534
9535         if (bar_font_legacy)
9536                 XFreeFontSet(display, bar_fs);
9537         else {
9538                 XftFontClose(display, bar_font);
9539         }
9540
9541         xcb_key_symbols_free(syms);
9542         xcb_flush(conn);
9543         xcb_disconnect(conn);
9544 }
9545
9546 void
9547 event_error(xcb_generic_error_t *e)
9548 {
9549         (void)e;
9550
9551         DNPRINTF(SWM_D_EVENT, "event_error: %s(%u) from %s(%u), sequence: %u, "
9552             "resource_id: %u, minor_code: %u\n",
9553             xcb_event_get_error_label(e->error_code), e->error_code,
9554             xcb_event_get_request_label(e->major_code), e->major_code,
9555             e->sequence, e->resource_id, e->minor_code);
9556 }
9557
9558 void
9559 event_handle(xcb_generic_event_t *evt)
9560 {
9561         uint8_t type = XCB_EVENT_RESPONSE_TYPE(evt);
9562
9563         DNPRINTF(SWM_D_EVENT, "XCB Event: %s(%d), seq %u\n",
9564             xcb_event_get_label(XCB_EVENT_RESPONSE_TYPE(evt)),
9565             XCB_EVENT_RESPONSE_TYPE(evt), evt->sequence);
9566
9567         switch (type) {
9568 #define EVENT(type, callback) case type: callback((void *)evt); return
9569         EVENT(0, event_error);
9570         EVENT(XCB_BUTTON_PRESS, buttonpress);
9571         /*EVENT(XCB_BUTTON_RELEASE, buttonpress);*/
9572         /*EVENT(XCB_CIRCULATE_NOTIFY, );*/
9573         /*EVENT(XCB_CIRCULATE_REQUEST, );*/
9574         EVENT(XCB_CLIENT_MESSAGE, clientmessage);
9575         /*EVENT(XCB_COLORMAP_NOTIFY, );*/
9576         EVENT(XCB_CONFIGURE_NOTIFY, configurenotify);
9577         EVENT(XCB_CONFIGURE_REQUEST, configurerequest);
9578         /*EVENT(XCB_CREATE_NOTIFY, );*/
9579         EVENT(XCB_DESTROY_NOTIFY, destroynotify);
9580         EVENT(XCB_ENTER_NOTIFY, enternotify);
9581         EVENT(XCB_EXPOSE, expose);
9582 #ifdef SWM_DEBUG
9583         EVENT(XCB_FOCUS_IN, focusin);
9584         EVENT(XCB_FOCUS_OUT, focusout);
9585 #endif
9586         /*EVENT(XCB_GRAPHICS_EXPOSURE, );*/
9587         /*EVENT(XCB_GRAVITY_NOTIFY, );*/
9588         EVENT(XCB_KEY_PRESS, keypress);
9589         /*EVENT(XCB_KEY_RELEASE, keypress);*/
9590         /*EVENT(XCB_KEYMAP_NOTIFY, );*/
9591 #ifdef SWM_DEBUG
9592         EVENT(XCB_LEAVE_NOTIFY, leavenotify);
9593 #endif
9594         EVENT(XCB_MAP_NOTIFY, mapnotify);
9595         EVENT(XCB_MAP_REQUEST, maprequest);
9596         EVENT(XCB_MAPPING_NOTIFY, mappingnotify);
9597         EVENT(XCB_MOTION_NOTIFY, motionnotify);
9598         /*EVENT(XCB_NO_EXPOSURE, );*/
9599         EVENT(XCB_PROPERTY_NOTIFY, propertynotify);
9600         /*EVENT(XCB_REPARENT_NOTIFY, );*/
9601         /*EVENT(XCB_RESIZE_REQUEST, );*/
9602         /*EVENT(XCB_SELECTION_CLEAR, );*/
9603         /*EVENT(XCB_SELECTION_NOTIFY, );*/
9604         /*EVENT(XCB_SELECTION_REQUEST, );*/
9605         EVENT(XCB_UNMAP_NOTIFY, unmapnotify);
9606         /*EVENT(XCB_VISIBILITY_NOTIFY, visibilitynotify);*/
9607 #undef EVENT
9608         }
9609         if (type - xrandr_eventbase == XCB_RANDR_SCREEN_CHANGE_NOTIFY)
9610                 screenchange((void *)evt);
9611 }
9612
9613 int
9614 main(int argc, char *argv[])
9615 {
9616         struct swm_region       *r;
9617         char                    conf[PATH_MAX], *cfile = NULL;
9618         struct stat             sb;
9619         int                     xfd, i, num_screens, startup = 1;
9620         struct sigaction        sact;
9621         xcb_generic_event_t     *evt;
9622         struct timeval          tv;
9623         fd_set                  rd;
9624         int                     rd_max;
9625         int                     stdin_ready = 0;
9626         int                     num_readable;
9627
9628         /* suppress unused warning since var is needed */
9629         (void)argc;
9630
9631         time_started = time(NULL);
9632
9633         start_argv = argv;
9634         warnx("Welcome to spectrwm V%s Build: %s", SPECTRWM_VERSION, buildstr);
9635         if (setlocale(LC_CTYPE, "") == NULL || setlocale(LC_TIME, "") == NULL)
9636                 warnx("no locale support");
9637
9638         /* handle some signals */
9639         bzero(&sact, sizeof(sact));
9640         sigemptyset(&sact.sa_mask);
9641         sact.sa_flags = 0;
9642         sact.sa_handler = sighdlr;
9643         sigaction(SIGINT, &sact, NULL);
9644         sigaction(SIGQUIT, &sact, NULL);
9645         sigaction(SIGTERM, &sact, NULL);
9646         sigaction(SIGHUP, &sact, NULL);
9647
9648         sact.sa_handler = sighdlr;
9649         sact.sa_flags = SA_NOCLDSTOP;
9650         sigaction(SIGCHLD, &sact, NULL);
9651
9652         if ((display = XOpenDisplay(0)) == NULL)
9653                 errx(1, "can not open display");
9654
9655         conn = XGetXCBConnection(display);
9656         if (xcb_connection_has_error(conn))
9657                 errx(1, "can not get XCB connection");
9658
9659         XSetEventQueueOwner(display, XCBOwnsEventQueue);
9660
9661         xcb_prefetch_extension_data(conn, &xcb_randr_id);
9662         xfd = xcb_get_file_descriptor(conn);
9663
9664         /* look for local and global conf file */
9665         pwd = getpwuid(getuid());
9666         if (pwd == NULL)
9667                 errx(1, "invalid user: %d", getuid());
9668
9669         xcb_grab_server(conn);
9670         xcb_aux_sync(conn);
9671
9672         /* flush all events */
9673         while ((evt = xcb_poll_for_event(conn))) {
9674                 if (XCB_EVENT_RESPONSE_TYPE(evt) == 0)
9675                         event_handle(evt);
9676                 free(evt);
9677         }
9678
9679         if (enable_wm())
9680                 errx(1, "another window manager is currently running");
9681
9682         /* Load Xcursors and/or cursorfont glyph cursors. */
9683         cursors_load();
9684
9685         xcb_aux_sync(conn);
9686
9687         setup_globals();
9688         setup_screens();
9689         setup_keys();
9690         setup_quirks();
9691         setup_spawn();
9692
9693         /* load config */
9694         for (i = 0; ; i++) {
9695                 conf[0] = '\0';
9696                 switch (i) {
9697                 case 0:
9698                         /* ~ */
9699                         snprintf(conf, sizeof conf, "%s/.%s",
9700                             pwd->pw_dir, SWM_CONF_FILE);
9701                         break;
9702                 case 1:
9703                         /* global */
9704                         snprintf(conf, sizeof conf, "/etc/%s",
9705                             SWM_CONF_FILE);
9706                         break;
9707                 case 2:
9708                         /* ~ compat */
9709                         snprintf(conf, sizeof conf, "%s/.%s",
9710                             pwd->pw_dir, SWM_CONF_FILE_OLD);
9711                         break;
9712                 case 3:
9713                         /* global compat */
9714                         snprintf(conf, sizeof conf, "/etc/%s",
9715                             SWM_CONF_FILE_OLD);
9716                         break;
9717                 default:
9718                         goto noconfig;
9719                 }
9720
9721                 if (strlen(conf) && stat(conf, &sb) != -1)
9722                         if (S_ISREG(sb.st_mode)) {
9723                                 cfile = conf;
9724                                 break;
9725                         }
9726         }
9727 noconfig:
9728
9729         /* load conf (if any) */
9730         if (cfile)
9731                 conf_load(cfile, SWM_CONF_DEFAULT);
9732
9733         validate_spawns();
9734
9735         setup_ewmh();
9736         /* set some values to work around bad programs */
9737         workaround();
9738         /* grab existing windows (before we build the bars) */
9739         grab_windows();
9740
9741         if (getenv("SWM_STARTED") == NULL)
9742                 setenv("SWM_STARTED", "YES", 1);
9743
9744         /* setup all bars */
9745         num_screens = get_screen_count();
9746         for (i = 0; i < num_screens; i++)
9747                 TAILQ_FOREACH(r, &screens[i].rl, entry)
9748                         bar_setup(r);
9749
9750         grabkeys();
9751         stack();
9752         bar_draw();
9753
9754         xcb_ungrab_server(conn);
9755         xcb_flush(conn);
9756
9757         rd_max = xfd > STDIN_FILENO ? xfd : STDIN_FILENO;
9758
9759         while (running) {
9760                 while ((evt = xcb_poll_for_event(conn))) {
9761                         if (!running)
9762                                 goto done;
9763                         event_handle(evt);
9764                         free(evt);
9765                 }
9766
9767                 /* If just (re)started, set default focus if needed. */
9768                 if (startup) {
9769                         startup = 0;
9770
9771                         if (focus_mode != SWM_FOCUS_FOLLOW) {
9772                                 r = TAILQ_FIRST(&screens[0].rl);
9773                                 if (r) {
9774                                         focus_region(r);
9775                                         focus_flush();
9776                                 }
9777                                 continue;
9778                         }
9779                 }
9780
9781                 FD_ZERO(&rd);
9782
9783                 if (bar_extra)
9784                         FD_SET(STDIN_FILENO, &rd);
9785
9786                 FD_SET(xfd, &rd);
9787                 tv.tv_sec = 1;
9788                 tv.tv_usec = 0;
9789                 num_readable = select(rd_max + 1, &rd, NULL, NULL, &tv);
9790                 if (num_readable == -1 && errno != EINTR) {
9791                         DNPRINTF(SWM_D_MISC, "select failed");
9792                 } else if (num_readable > 0 && FD_ISSET(STDIN_FILENO, &rd)) {
9793                         stdin_ready = 1;
9794                 }
9795
9796                 if (restart_wm)
9797                         restart(NULL, NULL);
9798
9799                 if (search_resp)
9800                         search_do_resp();
9801
9802                 if (!running)
9803                         goto done;
9804
9805                 if (stdin_ready) {
9806                         stdin_ready = 0;
9807                         bar_extra_update();
9808                 }
9809
9810                 bar_draw();
9811                 xcb_flush(conn);
9812         }
9813 done:
9814         shutdown_cleanup();
9815
9816         return (0);
9817 }